Question

check answers button and read the concepts lesson.
jason wants to calculate the number of tiles he used in his constructions projects in his kitchen and in his bathroom. choose the action that jason should use to do this calculation.
tiles in kitchen (tiles)
tiles in bathroom (ti
total tiles used (tiles)
erkan made a huge how many guests he can serve. choose the action that erkan should use to do thi
amount of punch m
ounces per guest (c
number of guests (guests)
barbara owns several pizza shops. she just received an order of cheese and needs to divide the cheese equally among the different shops. choose the action that barbara should use to do this calculation.
shops (shops)
pounds of cheese (lbs)
pounds of cheese per shop (lbs/shop)
chester wants to calculate how much weight he lost this summer. choose the action that chester should use to do this calculation.
weight at the beginning of summer (lbs)
weight at the end of the summer (lbs)
total weight loss (lbs)
a lawn mowing service mows many lawns each week and charges the same amount for each lawn. choose the action that the lawn mowing service should use to compute the amount of money they earn each week.
charge per lawn ($/lawn)
lawns mowed (lawns)
earnings ($)

Explanation:

Step1: Jason's tile calculation

To find total tiles, sum kitchen and bathroom tiles.
Action: add

Step2: Erkan's guest calculation

Convert punch amount to guest count using serving size.
Action: use conversion factor

Step3: Barbara's cheese division

Split total cheese equally among shops (divide total cheese by number of shops, which aligns with using the relationship to find per-shop amount, framed as the appropriate action for equal division)
Action: make conversion factor (to set up $\frac{\text{Total Cheese (lbs)}}{\text{Number of Shops}}$ as the per-shop amount)

Step4: Chester's weight loss (correct)

Subtract end weight from start weight.
Action: subtract (already correctly selected)

Step5: Lawn service earnings

Multiply charge per lawn by number of lawns, which is a conversion of lawn count to earnings.
Action: use conversion factor (to apply $\text{Charge per Lawn} \times \text{Lawns Mowed}$)

Answer:

1. Jason's calculation: add
2. Erkan's calculation: use conversion factor
3. Barbara's calculation: make conversion factor
4. Chester's calculation: subtract (correct as selected)
5. Lawn service calculation: use conversion factor