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valentinak56 [21]
3 years ago
12

A certain shampoo is available in two sizes. A 13.5 ounces bottle cost $2.98. A 29.2 ounce bottle cost $6.12. Find the Unit pric

e for each size. Then state which size is the better buy based on the unit price. Round your answer to the nearest cent
Mathematics
1 answer:
Sladkaya [172]3 years ago
6 0

Answer:

9.2 ounce bottle cost $6.12 is better buy with unit price of $0.22

Step-by-step explanation:

Unit price of any product is given by

unit price = weight of product/ price of product

Given sizes

A

13.5 ounces bottle cost $2.98

cost of 1 ounce of shampoo for this size = cost price/weight of shampoo

 cost of 1 ounce of shampoo for this size =2.98/13.5 = $0.22

Unit price for this size is $.022

B

9.2 ounce bottle cost $6.12

cost of 1 ounce of shampoo for this size = cost price/weight of shampoo

 cost of 1 ounce of shampoo for this size =6.12/9.2 = 0.66

Unit price for this size is $0.66

As $0.22 is less than $0.66 thus,

9.2 ounce bottle cost $6.12 is better buy.

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4) d = 12 cm; r = 12/2 = 6cm ; h = 5 cm

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7) Area of front and back = 2*\frac{1}{2}*base * height

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SA = (front and back) + Base + left + right

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8) SA =  (front and back) + Base + left + right

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