Mathematics

Grade-8

Easy

Question

A merchant sells apples at $1.5 per kilo, and other merchant B sells at the price that satisfies y = 2x. y representing the total cost and x representing the weight in kilos. The true statement among the following is

Merchant A sells $5 more compared to merchant B for 1 kilo
Merchant A sells cheaper than merchant B
Merchant B sells cheaper than merchant A
Merchant B sells $5 more compared to merchant A for 1 kilo

hint Hint:

This question is about comparing proportional relationship. Compare the selling price of 1 kilo apple for both the merchants to obtain the answer.

The correct answer is: Merchant A sells cheaper than merchant B

$F o r space m e r c h a n t space A comma P r i c e space a t space w h i c h space h e space s e l l s space 1 space d o z e n space open parentheses 12 close parentheses space a p p l e s space equals space $ 1.5 F o r space m e r c h a n t space B comma P r i c e space a t space w h i c h space h e space s e l l s space a p p l e s space s a t i s f y space t h e space e q u a t i o n space y space equals space 2 x w h e r e comma x space equals space w e i g h t space i n space k i l o s y space equals space t h e space t o t a l space cos t space o f space t h e space a p p l e s space h e space s o l d L e t space u s space a s s u m e space t h a t space h e space s o l d space 1 space k i l o space o f space a p p l e s. H e r e comma x space equals space 1 T h e r e f o r e comma y space equals space 2 x space equals space 2 open parentheses 1 close parentheses space equals space $ 2 H e n c e comma space m e r c h a n t space B space s e l l s space 1 space d o z e n space a p p l e s space a t space t h e space p r i c e space $ 2 space w h e r e a s space m e r c h a n t space A space s e l l s space 1 space d o z e n space a p p l e s space a t space t h e space p r i c e space $ 1.5. T h a t space m e a n s comma space M e r c h a n t space B space s e l l s space $ 5 space m o r e space c o m p a r e d space t o space m e r c h a n t space A space f o r space 1 space k i l o.$

You can also compare number of dozens of apples sold at a specific price by both the merchants in order to obtain the answer.

The unit rate of the table below

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The cost of 9 apples is $2.7, then the cost of 5 apples is

You can directly find the answer by using the cross multiplication method.

The cost of 9 apples is $2.7, then the cost of 5 apples is

MathematicsGrade-8

You can directly find the answer by using the cross multiplication method.

Grade-8

MathematicsVideo

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A merchant sells apples at $1.5 per kilo, and other merchant B sells at the price that satisfies y = 2x. y representing the total cost and x representing the weight in kilos. The true statement among the following is

Merchant A sells $5 more compared to merchant B for 1 kiloMerchant A sells cheaper than merchant BMerchant B sells cheaper than merchant AMerchant B sells $5 more compared to merchant A for 1 kilo

This question is about comparing proportional relationship. Compare the selling price of 1 kilo apple for both the merchants to obtain the answer.

The correct answer is: Merchant A sells cheaper than merchant B

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Merchant A sells $5 more compared to merchant B for 1 kilo
Merchant A sells cheaper than merchant B
Merchant B sells cheaper than merchant A
Merchant B sells $5 more compared to merchant A for 1 kilo

The unit rate of the equation y = $square root of 2$ x is

The unit rate of the equation y = $square root of 2$ x is