Heather has $45.71 in her savings account. she bought six packs of markers to donate to her school. write an expression for how much money she has in her bank account after the donation.

45.71 - 6x = y

Step-by-step explanation:

45.71 - 6x = y

x= the amount 1 pack of markers cost

y= how much money Heather has after the donation

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.