Marie ran 5.5 miles on Tuesday. This was 1.9 miles less than she ran on Monday. How many miles did she run on Monday?

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

What number is 7 units left of -15?

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.