Mark M. answered 05/30/17
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Mathematics Teacher - NCLB Highly Qualified
dbike = r(5.5)
dcar = (r + 35.2)(5.5)
dbike + dcar = 352
r(5.5) + (r + 32.3)(5.5) = 352
Can you solve for r and answer?
Mark M.
r(5.5) + (r + 32.3)(5.5) = 352
5.5r + 5.5r + 178.75 = 352 distribute
11r + 178.75 = 352 combine
11r = 173.25 subtract 178.75 from both sides
r = 15.75 divide both sides by 11
How fast is the car?
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05/30/17
angie t.
05/30/17