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sergeinik [125]
3 years ago
11

Pedro bought lb of red sand and lb of brown sand to refill his sand box. Both types of sand cost $4.60 a pound. How much did Ped

ro spend on the sand? A. $29.85 B. $31.05 C. $33.05 D. $33.75
Mathematics
2 answers:
Doss [256]3 years ago
4 0
If we know that Pedro bought 1 \frac{1}{4} pounds of red sand, and 5 \frac{1}{2} pounds of brown sand, and they both cost $4.60, then we just have to add the individual amounts of sand, since they cost the same.

1  \frac{1}{4} + 5  \frac{1}{2} = 6  \frac{3}{4}

So Pedro bought 6 \frac{3}{4} lbs of sand overall. Now, we just need to multiply the cost per pound by the total amount of sand he bought.

6 \frac{3}{4} * 4.6 = 31.05

Pedro spent $31.05 on sand, which is answer choice B.
Hope that helped =)
Sergio039 [100]3 years ago
4 0
B. $31.05
5.5 + 1.25 = 6.75
6.75 * $4.60 = $31.05
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