Every body spent same amount $ 35
the 35 % of the earning = spent amount
Earning = spent amount * 100
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35
so earning = 35 * 100
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Earning = 100 $
Answer is Juana .
let us find 35% of each.
1. Fred
35% of 80 = 0.35*80 = 28
2. Marla
35% of 90= 0.35*90=31.5
3. Juana
35% of 100 =0.35*100 =35
So answer is Juana ( option H)
