Amy is buying some supplies for the new school year.
She buys an exercise book for $\$9.55$$9.55, a pack of pens for $\$6.12$$6.12 and a pencil case for $\$6.28$$6.28.
How much does she spend in total?
A calculator is $15.9$15.9 cm long.
Harry buys an item from the school canteen for $\$3.20$$3.20. If he pays for it with a five dollar note, how much change will he get back?
Lisa purchased a car and is paying monthly installments of $\$148.40$$148.40 per month to pay it off. If it takes her $60$60 months to pay it off, how much will she have spent on car repayments in total?
Fluently add, subtract, multiply, and divide multi-digit decimals using the standard algorithm for each operation.