UNIT PRICE WORD PROBLEMS

Problem 1 :

The book fair had a sale where 6 books were $20.46. If you wanted to buy 7 books, how much money would you need?

Solution :

Given : Cost of 6 books is $20.46

Then, the cost of 1 book is

= 20.46/6

= $3.41

The cost of 7 books is

= 7(3.41)

= $23.87

So, we need $23.87 to buy 7 books.

Problem 2 :

A video game store was getting rid of old games, selling them 3 for $56.28. If they sold 7 games, how much money would they have made?

Solution :

Given : Cost of 3 old games is $56.28.

Then, the cost of 1 old game is

= 56.28/3

= $18.76

The Cost of 7 old games is

= 7(18.76)

= $131.32

So, if they sold 7 games, they would they have made $131.32.

Problem 3 :

At the store beef jerky is $44.25 for 3 pounds. If you buy 4 pounds, how much will it cost?

Solution :

Given : Cost of 3 pounds is $44.25

Then, the cost of 1 pound is

= 44.25/3

= $14.75

The Cost of 4 pounds is

= 4(14.75)

= $59

So, 4 pounds of beef jerky will cost $59.

Problem 4 :

At the baseball stadium the price for popcorn is $5.88 for 3 bags. If you want to buy 7 bags of popcorn, how much will it cost ?

Solution :

Given : Cost of 3 bags is $5.88.

Then, the cost of 1 bag is

= 5.88/3

= $1.96

The Cost of 7 bags is

= 7(1.96)

= $13.72

So,  if we want to buy 7 bags of popcorn, it will cost $13.72.

Problem 5 : 

At the toy store you could get 2 board games for $8.36. Online the price for 3 board games is $12.84. Which place has the highest price for a board game?

Solution :

4.18 < 4.28

From the above comparison, it is clear that online has the highest price for a board game.

Problem 6 :

At the market you can buy 5 bags of apples for $23.60. At the orchard you can get 7 bags of apples for $32.76. Which is the better deal?

Solution :

4.72 > 4.68

Comparing the unit prices, orchard has lower price. So buying apples in orchard is better deal.

Problem 7 : 

A store had 4 blue chairs for $73.48 or 5 red chairs for $91.40. Which color chair has a lower unit price?

Solution :

18.37 > 18.28

Comparing the unit prices, red color chair has a lower unit price.

Problem 8 :

A fast food restaurant had 7 boxes of chicken nuggets for $25.90. A competing restaurant had 3 boxes of chicken fingers for $11.07. Which food has a higher unit price?

Solution :

3.70 > 3.69

Comparing the unit prices, chicken nugget has a higher unit price.

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