Which is the solution to the equation 3 point 5 times open paren 2 h plus 4 point 5 close paren is equal to 57 point 7 5 ? Round to the nearest tenth if necessary.
Answer
A
10
B
6
C
7 point 6
D
8 point 9
Explanation
Divide both sides of 3.5(2h + 4.5) = 57.75 by 3.5 to get 2h + 4.5 = 16.5. Subtract 4.5, giving 2h = 12, then divide by 2 to find h = 6. The correct choice is 6.
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