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Bess [88]
3 years ago
9

A 15 lb. costs $19.50. At that same rate, how much would 12 1/2 lb. ham cost?

Mathematics
2 answers:
elena55 [62]3 years ago
7 0
Well determine the cost of one lb. To do that divide $19.50 by 15. This gives you $1.30 per lb. Multiply this by 12 1/2 to get your answer. This is $16.25
solmaris [256]3 years ago
4 0
There are 2 ways to do this....

(1) find the unit rate....19.50 / 15 = 1.30 per lb.
for 12 1/2 (or 12.5) lbs = 1.30 * 12.5 = 16.25 <===

(2) proportion...
15 / 19.50 = 12.5 / x...15 lbs to 19.50 = 12.5 lbs to x
 cross multiply
 (15)(x) = (19.5)(12.5)
  15x = 243.75
 x = 243.75 / 15
x = 16.25 <==

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A large bag of cashews weighs 9 1/4 pounds. One serving is 1/5 pound. How many servings are in the bag.
Ann [662]

Answer as a mixed number = 46 & 1/4

Answer as a decimal = 46.25

===============================================

Work Shown:

9 & 1/4 = 9 + 1/4 = 9 + 0.25 = 9.25

1/5 = 0.2

A bag of cashews weighs 9.25 pounds and one serving is 0.2 pounds.

Let x be the number of servings

1 serving = 0.2 pounds

x servings = 0.2x pounds after multiplying both sides by x

0.2x pounds represents the total bag's weight so,

0.2x = 9.25

x = 9.25/0.2

x = 46.25 answer in decimal form

x = 46 + 0.25

x = 46 + 1/4

x = 46 & 1/4  answer in mixed number form

This means we have 46 full servings plus an additional 1/4 of a serving.

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I hope my answer has come to your help. God bless and have a nice day ahead!
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