Question

grant want to buy a T-shirt for 9.75 and shorts for 11.29. He wants to pay with one $20 bill use estimation to decide if this is reasonable . explain to what place value to round for an estimate that is useful in this situation.

Answer 1

It is not reasonable because if you round down the short and t shirt would be 20 exact but since their is cents (.79 and .29) it’s going to be over 20 dollars he would need 21