write the ratio as fraction in simplest form with whole numbers in the numerator and denominator. 12m : 32m (PICTURE)​

Could somebody me with this radical simplification?

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.