Answer: 62
Step-by-step explanation:
100 - x = 38
x =62
Answer:
87.5%
Step-by-step explanation:
7/8x100=87.5
Answer:
y=3x+2
Step-by-step explanation:
Answer:Benjamin’s age = 30 and David’s age = 6
Explanation:
Let x be the age of Benjamin
Let y be the age of David
x + y = 36
And 2x + 2y = 72
If we plug 30 for x and 6 for y we get:
30 + 6 = 36
36 = 36
2(30) + 2(6) = 72
60 + 12 = 72
72 = 72
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