Arithmetic
-3-2=5
because
-3-2
=
-3 + -2
3 negatives + 2 negatives = 5 negatives
5n=20 is the equation 5 times n equals 20
A.) $15 will be the cost of Mama’s 15” pizzas.
B.) The cost will be $1 as a price per square inch.
He can round 0.85 up, because its over .50.
He can round 15.92 up, because it is also over .50.
16 + 1 = 17 is the estimate.
