Mathematics
Grade6
Easy
Question
Use the equation m = 8 + d to find how old Mary (m) is if David (d) is 10 years old.
- 80 years old
- 1 year old
- 15 years old
- 18 years old
Hint:
We simply put the value of d in the given equation to get m.
The correct answer is: 18 years old
Step 1 of 1:
Given equation, m = 8 + d.
If David (d) = 10, then Mary (m) = 8 + 10 = 18.
So, Mary is 18 years old if, David is 10 years old.
Final Answer:
Mary is-- C. 18 years old.
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