# Solutions

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**Lower Elementary:**

*Answer:*48 slices

*Solution:*The team makes 2 × 3 = 6 pies. If each pie is cut into 8 slices, that’s 6 × 8 = 48 slices in total.

**Upper Elementary:**

*Answer:*$8.00

*Solution:*If the average of all 4 pies is the same as the price of the peach pie, then the average of the first 3 pies must be equal to the price of the peach pie. To find the average price of the pies, we add the prices of the first 3 pies together, and then divide by 3.

$6.00 + $11.00 + $7.00 = $24.00

$24.00 ÷ 3 = $8.00

**Middle School:***Answer**:* $0.51*Solution:* To find 15% of $16.60, we multiply $16.60 × 0.15 = $2.49. If Daniel rounds up to the next dollar, he will round by $3.00 – $2.49 = $0.51.

**Algebra and Up:**

*Answer:*1

^{7}/

_{9}pounds

*Solution:*After Soren takes a 40° slice, there are 320° of pie left. That’s 320 ÷ 360 =

^{8}/

_{9}of the pie, and

^{8}/

_{9}of 2 pounds is 1

^{7}/

_{9}pounds of pie.