Question

Kavitha had some twenty-cent coins and ten-cent coins. The number of twenty-cent coins was 40% of the number of ten-cent coins. Kavitha had $5 worth of ten-cent coins. Find the total value of the coins. Model/Table:​

Answer 1

x=40%(y)

5=.10y

y=5/ .10

y=50 10 cent coins

value of 10 cent coins = 5 dollars

x=40%( 50)

x=20 20 cent coins

20* .20= 4 dollars

5+4=9

she has 9 dollars worth of coins