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Dvinal [7]
3 years ago
10

a school has 415 third grade and 338 second graders how many more third graders are there than second graders?

Mathematics
2 answers:
Alika [10]3 years ago
6 0

Answer:

There are 77 more third graders than there are second graders.

Step-by-step explanation:

You just have to subtract 338 from 415 to get your answer.

Pavlova-9 [17]3 years ago
3 0
There are 77 more third graders you can find this by doing 415-338.
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The answer is the third one
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A grocery store manager notices that this month her store sold a total of 623 gallons of ice cream, which represents a decrease
kotykmax [81]

Answer:

- The store sold 733 gallons of ice cream last month.

- The store sold 748 pounds of broccoli last month.

Step-by-step explanation:

Given

Ice\ Cream = 623

\%\ Ice\ Cream = 15\%

Broccoli = 912

\%\ Broccoli = 22\%

Solving (a): Gallons of Ice Cream

<em>Let Gallons sold last month be G1; Gallons sold this month be G2;</em>

The relationship between both is:

G2 =G1 - 15\% * G1

Substitute 623 for G2

623 =G1 - 15\% * G1

623 =G1 - 0.15 * G1

623 =G1 - 0.15 G1

623 =0.85 G1

Divide through by 0.85

G1 = 623/0.85

G1 = 732.941176471

G1 = 733

Solving (b): Pounds of Broccoli

<em>Let Pounds sold last month be P1; Pounds sold this month be P2;</em>

The relationship between both is:

P2 =P1 + 22\% * P1

Substitute 912 for P2

912 =P1 + 22\% * P1

912 =P1 + 0.22 * P1

912 =P1 + 0.22 P1

912 =1.22 P1

Divide through by 1.22

P1 = 912/1.22

P1 = 747.540983607

P1 = 748

6 0
3 years ago
Joseph invested $16,000 in an account paying an interest rate of 5.7% compounded
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Answer: 34767.2

Step-by-step explanation:

given p = $16,000, n = 14 years, y = 5.7%

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OLga [1]
P=x+38

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p=(x+3)+(x-5)+x+(x-2)+(x-4)+(x-1)+(x-1)
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set both p equal:
x+38=7x-10
38=6x-10
48=6x
8=x

then insert x=8 in all the side/perimeter equations:
p=x+38=8+38=46

sides:
x=8
x-2=8-2=6
x-1=8-1=7
x-4=8-4=4
x-5=8-5=3
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8 0
3 years ago
Fiano borrowed $550. Four months later, he sent a cheque for $562.83 to repay the loan and interest. What was the interest rate
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Answer:

Rate = 0.7%

Step-by-step explanation:

Rate = Interest / (principal x time)

rate = 12.83 / ((550) x 12/4)

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