At the grocery store , mrs. knight bought 4 pounds of apple for $2 per pounds and 2 heads of lettuce for $1 each . she had coupon for $3 off the price of the apples. after her purchases, what was the change in the amount of money that mrs. knight had ? answer

After her purchases, the change in the amount of money that she had is $7.

Step-by-step explanation:

Since we have given that

Number of pounds of apple = 4

Cost per pounds = $2

Total cost of apple would be

Number of heads of lettuce = 2

Cost of per lettuce = $1

So, Total cost of lettuce would be

Total amount for apple and lettuce would be

Amount for off = $3

So, it becomes

Hence, after her purchases, the change in the amount of money that she had is $7.

1.3

step-by-step explanation:

3x2=6   9x+6

bring down the 6 on both sides

6+6=12

12= 9x

divide by 9

12/9 =

1.3 =x