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algol13
3 years ago
12

It costs $3.45 to buy 3/ 4 lb of chopped walnuts. How much would it cost to purchase 7.5 lbs of walnuts?

Mathematics
2 answers:
Softa [21]3 years ago
8 0

Answer:

It would cost $ 34.5

Step-by-step explanation:

Given,

The cost of \frac{3}{4} lb of chopped walnut = $ 3.45,

So, the cost of 1 lb of chopped walnut = \frac{4}{3}\times 3.45

=4\times 1.15

= $ 4.6,

Thus, the cost of 7.5 lbs of walnuts = 7.5 × cost of 1 b of walnut

= 7.5 × 4.6

= $ 34.5

Dmitry_Shevchenko [17]3 years ago
7 0

Answer:

The cost of the 7.5 lbs of walnuts be $2.16 .

Step-by-step explanation:

As given

It costs $3.45 to buy \frac{3}{4} lb of chopped walnuts.

i.e

\$ 3.45 = \frac{3}{4}\ lb

Now calculate the cost of one pound .

Cost\ of\ one\ pound = \frac{3.45}{\frac{3}{4}}

Cost\ of\ one\ pound = \$ 0.2875

Now calculated the cost of the 7.5 lbs of walnuts .

Cost of 7.5 lbs of walnuts = 7.5 × 0.2875

                                           = $2.16 (Approx)

Therefore the cost of the 7.5 lbs of walnuts be $2.16 .

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