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Leokris [45]
4 years ago
14

3. Mr. Sanchez’s class sold fruit pies for $1.55 each and Mr. Kelly’s class sold bottles of fruit juice for $1.40 each. Together

, the classes sold 60 items and earned $88.20 for their school. (a) Write and solve a system of equations that model the problem. Show all your work. (b) Which class earned more money? (c) How much more money did that class earn?
Mathematics
2 answers:
enyata [817]4 years ago
7 0

Answer:

29.89

Step-by-step explanation:

I dont know if this is right 1.40+1.55=2.95 88.20 divided by 2.95=29.89

GaryK [48]4 years ago
7 0

Answer:

Given:

Cost at which Mr. Sanchez’s class sold fruit pies =$1.55.

Cost at which Mr. Kelly’s class sold bottles of fruit juice= $1.40.

Total items sold by both the class=  60

Total amount earned by both the class=  $88.20

Solution:

(a)System of equations that model the problem:

Let the Mr. Sanchez's class sold fruit pies = x

The no. Of bottles of fruit juice sold by Mr. Kelly's class =  60-x  

So, according to the question,

1.55x+(60-x)1.40=88.20

1.55x+(60)(1.40)-1.40x=88.20

1.55x-1.40x+84=88.20

0.15x+84=88.20

0.15x=4.20

x=\frac{4.20}{0.15}

x=28

(b)To find which class earned more money:

x=28

Thus Number of fruit pies sold by Mr. Sanchez's class  = 28

The no. Of bottles of fruit juice sold by Mr. Kelly's class = 60-28 = 32

Total amount earned by Mr. Sanchez's class = 28×1.55 = $43.4

Total amount earned by Mr. Kelly's class = 32×1.4 = $44.8

So  Mr. Kelly's class earned more money.

(c) How much more money did that class earn?

Mr. Kelly's class earned  $44.8  by selling 32  bottles of fruit juice

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