Martin paid $120 towards his $2400 credit card bill. what percentage did he pay

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.

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?