geen535 geen535

22-10-2014
Mathematics

Answered

Write and equation ( and maybe solve) please!

At the Shine AutoWash, a car wash costs $8.00, and nearby gasoline is selling for $1.369 per litre. Terri has $49.75 to spend, and her car is so dirty she must have it washed. What is the maximum number of litres of gasoline that she can purchase?

Answer :

ZackFry ZackFry

22-10-2014

49.75 - 8 = 41.75. 41.75 / 1.369 = 30.4967129. Let's round it to 2 decimal points, which is 30.5. The maximum number of litres of gasoline that Terri can purchase is 30.5. If m= money, c= price of car wash and g= price of gasoline per litre, the equation is (m - c) / g.

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