Louisa wants to buy an online movie subscription that is on sale for 15% off. She writes the expression c − 0.15c to represent t
1 answer:
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Answer:
Step-by-step explanation:
* The above answer is written in reverse, which is the exact same result.
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Juanita and Keenan ordered 85 flashlights and 17 sleeping bags.
Step-by-step explanation:
Given,
Cost of each flashlight = $12
Cost of each sleeping bag = $45
Total cost = $1785
Let,
x represent the number of flashlights ordered
y represent the number of sleeping bags ordered
According to given statement;
12x+45y=1785 Eqn 1
x = 5y Eqn 2
Putting value of x from Eqn 2 in Eqn 1
Dividing both sides by 105
Putting y=17 in Eqn 1
Juanita and Keenan ordered 85 flashlights and 17 sleeping bags.
Keywords: linear equation, substitution method
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