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Svetradugi [14.3K]
4 years ago
13

Bob has some 10lb weights and some 3lb weights. Together, all his weights add up to 50 lb. If x represents the number of 3lb wei

ghts and y represents the number of 10lb weights, which equation can be used to find the number of each type of weight Bob has?
(Please explain answer)

A. 3x-10y=50
B.3x=50-10y
C.50+10y=3y
D.50+3y=10y
Mathematics
2 answers:
vova2212 [387]4 years ago
8 0

Answer:

B

Step-by-step explanation:

if x represents the number of 3 lb weights and y represent the number of 10 lb  weights.

Then 3 x+10 y=50

or 3x=50-10 y

so B

Leto [7]4 years ago
5 0

Answer:

It is B.

Step-by-step explanation:

Because together it adds up to 50, y represents 10lb weights and x represents 3lb weights

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