$47.99+$2.88=$50.87 (total cost)
$60.00-$50.87=$9.13
he should get back $9.13
Use FOIL
28x² -8xy +7xy -2y²
28x² -xy -2y²
2,2,6,7,9,11,14
And the Median is 7
Answer: 8 batches
explanation: 5 1/3 divided by 2/3 equals 8. To find out how many batches were made, you need to divide the total amount used by the amount needed for one batch.