Walter is right cause 30x5 equals 150
x/20 = 21/14 (similar proportions)
x/20 = 3/2 (simplify by canceling out a factor of 7)
x = 30
Answer:
3 and 8/10
Step-by-step explanation:
38/10=3.8 you can have three groups of 10 and 8/10 of another group
22 quarters and 4 nickels