13. Harun and Breelyn have $30 to spend on a bag of candy at the CANDY SPOT. Each bag costs $3. Given that H and B represent the number of bags that Harun (H) and Breelyn (B) bought, which expression can be used to represent the amount of money they had leftover?(1 point)
30−3H+3B
3H + 3B − 30
30+3H−3S
30−3H−3B
The correct expression to represent the amount of money they had leftover is:
30 - 3H - 3B
14. Elliot is building a sandbox in the shape of a triangle. A model of the sandbox is shown. Which expression represents the perimeter of Elliot's sandbox?
(Image)
(1 point)
x+11
3x−2
3x+10
x+10
The expression that represents the perimeter of Elliot's sandbox is:
3x + 10
15. Sierra and Charlie are paid $12 per hour. However, this week Charlie received a $40 bonus. Given that S and C represent the number of hours worked by Sierra (S) and Charlie (C), which expression can be used to represent their combined earnings for this week?(1 point)
12S+12C+40
12+40+S+C
12+40+SC
12SC+40
The correct expression to represent their combined earnings for this week is:
12S + 12C + 40
16. Which number sentence shows how the distributive property can be used to represent the area of the entire rectangle (both rectangles together)?
(Image)
(1 point)
5⋅3⋅7
5(3+7)
(5+3)⋅(5+7)
(5⋅3)+(5⋅7)
The number sentence that shows how the distributive property can be used to represent the area of the entire rectangle is:
(5⋅3)+(5⋅7)
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To find the expression that represents the amount of money Harun and Breelyn had leftover, we need to subtract the total cost of the bags they bought from the initial amount of money they had.
Since each bag costs $3 and Harun and Breelyn bought H and B bags respectively, the total cost of the bags they bought would be 3H + 3B.
Therefore, the expression that represents the amount of money they had leftover would be the initial amount of money ($30) minus the total cost of the bags they bought (3H + 3B).
Combining these terms, the correct expression would be:
30 - 3H - 3B