puppylover100200 puppylover100200

12-03-2017
Mathematics

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Nina has $245 in 5 dollar bills and ten dollar bills. She has ten more 5 dollar bills than ten dollar bills. How many of each type of bill does she have?

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wolf1728 wolf1728

12-03-2017

A) 5f + 10t = 245
B) f = t + 10
B) f - t = 10
Multiply B by -5
B) -5f +5t = -50
A) 5f + 10t = 245

15t = 195
= 13 tens
and 23 fives

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