SOLUTION: the forest service must determine how many acres will be needed to make an addition of twenty-two campsites. if the existing 24-acre campground accommodates fifty-five campsites, h

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Question 604883: the forest service must determine how many acres will be needed to make an addition of twenty-two campsites. if the existing 24-acre campground accommodates fifty-five campsites, how many additional acres will be needed?
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
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the forest service must determine how many acres will be needed to make an addition of twenty-two campsites.
if the existing 24-acre campground accommodates fifty-five campsites, how many additional acres will be needed?
:
We can use a ratio equation here. Let a = no. of additional acres required
:
%28%28a%2B24%29%29%2F24 = %28%2822%2B55%29%29%2F55
:
%28%28a%2B24%29%29%2F24 = 77%2F55
Cross multiply
55(a+24) = 24 * 77
55a + 1320 = 1848
55a = 1848 - 1320
55a = 528
a = 528/55
a = 9.6 additional acres required for 22 more campsites