puppylover100200 puppylover100200

12-03-2017
Mathematics

contestada

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?

Respuesta :

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

Answer Link

Otras preguntas

how many nerves and bones and red blood cells does our body have plz help!!

If the ratio of the purple flowers to black flowers is 4 to 8 and there are a total of 108 flowers,how many of the flowers are purple

How might European interest in exploration have increased as a result of the Crusades?

what three countries were annexed by the soviet union in 1939 because of their location

Determine the quantity of work done when a crane lifts a 100-N block from 2 m above the ground to 6 m above the ground. A. 100 J B. 200 J C. 400 J D. 600 J

Is rock solution because it is made up of minerals, water, stone, and dirt?

What does (-9)^-2 mean?

What fraction is the same as seven tenths

What is the country that controlled Florida at one time?

Multiply and simplify 12 times 3/4.