SOLUTION: A businessman spends 1/5 of her travel allotment on airfare and 3/10 on hotel accommodations. What percent of her allotment is left?

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Question 1034604: A businessman spends 1/5 of her travel allotment on airfare and 3/10 on hotel accommodations. What percent of her allotment is left?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
First find the fraction of allotment left
+1+-+1%2F5+-+3%2F10+ = fraction left
+10%2F10+-+2%2F10+-+3%2F10+
+%28+10+-+5+%29+%2F+10+
+5%2F10+ = fraction left
+%285%2F10+%29%2A%28+100+%29+=+50+
50% of the allotment is left