If Leonard bought 2 packs of batteries for x amount of dollars, how many packs of batteries could he purchase for $5.00 at the same rate?
Answer(s): A
First set the relationship up and solve for the number of packs:x/2 = 5/packs; x(packs) = 10; packs = 10/x.
Choose the algebraic expression that best represents the following situation: Jeral's test score (J) was 5 points higher than half of Kara's test score (K).
Answer(s): B
Enrique weighs 5 pounds more than twice Brendan's weight.If their total weight is 225 pounds, how much does Enrique weigh?
If E + B = 225, and E = 2B + 5, then 225 − B = 2B + 5.Solving for B:3B = 220B = 73.3.225 − 73.3 = 151.7.
What does (4x − y) + (−10 + y) equal if x = 3 and y = 4?
Answer(s): D
Plugging in x and y, you get (4(3) − 4) + (−10 + 4), which is 8 + (−6), or 8 − 6 = 2.
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