Matty is always on the playground his favorite coins to collect or nickels and dimes. He has found $6.20, or $72 total nickels and dimes. Write and algebraically solve a system of equations to figure out how many nickels he has and how many dimes he has.

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.

What percent of $1.00 are a nickel and a dime?