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Sagot :
Answer:
She could make 5 of each type.
Step-by-step explanation:
If x is the number of 0.5 pound hamburgers and y is the number of 0.25 pound hamburgers:
0.5x + 0.25y = 3.75
Divide through by 0.25:
2x + y = 15
Some whole numbers which fit this relation are x = 5 and y = 5.
Answer:
- See below
Step-by-step explanation:
Given:
- Number of 0.5-pound is a
- Number of 0.25-pound is b
- Total weight is 3.75 pounds
Equation for the number of hamburgers:
- 0.5a + 0.25b = 3.75
simplified to:
- 2a + b = 15
Minimum number of each size is zero, then the maximum possible number is:
- a = 0 ⇒ b = 15
- b = 0 ⇒ 2a = 15 ⇒ a = 7 so b can't be zero, 2*7 + b = 15 ⇒ b = 1
So possible numbers are within the range:
- 0.5 pound ⇒ 0 to 7
- 0.25 pound ⇒ 1 to 15
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