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Sati [7]
3 years ago
5

The sum of Sharon's and John's ages is 70. John is 4 times as old as Sharon

Mathematics
1 answer:
sergiy2304 [10]3 years ago
6 0
I think the answer is

70/5=14
14*4=56

John is 56
Sharon is 14
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PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
Oksanka [162]

Answer:

X=5

Step-by-step explanation:

Trust me bro also it because if you input 5 into x you wille see that 3(5)+2=17

8 0
2 years ago
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Can someone pls help me solve this question!!!!!!!
KiRa [710]

Total of 90 fish:

c + p = 90

Charlie gave 1/4 c to Peter.  Now

Charlie has c - (1/4) c

Peter has p + (1/4) c

Peter gave 2/5 of his to Charlie. Now

Peter has p + (1/4) c - 2/5( p + (1/4) c )

Charlie has c - (1/4) c + 2/5( p + (1/4) c )

And then they had equal number:

c - (1/4) c + 2/5( p + (1/4) c ) = p + (1/4) c - 2/5( p + (1/4) c )

Let's do the easy subtractions then multiply by 20 to clear the fractions,

(3/4) c + 2/5( p + (1/4) c ) = 3/5( p + (1/4) c )

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14c = 4p

7c = 2p

c + p = 90

2c + 2p = 180

2c + 7c = 180

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c = 20

p = 70

Answer: Charlie started with 20, Peter with 70

Check:

Initially C:20, P:70

1/4(20)=5 to P

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3 0
3 years ago
Trying to help daughter solve problem.<br>Where would you place the parentheses?<br>2x4+6-2+8/4=18
tiny-mole [99]
Here the order of operation is very important. I put few parenthesis to show you what is the correct result. First you have to multiply/divide, then u can add/subtract
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5 0
3 years ago
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There are 18 questions on the test. Each question is worth either four or five points. The total is 80 points. How many question
amm1812

Answer: the number of four point questions in the test is 10.

the number of five point questions in the test 8

Step-by-step explanation:

Let x represent the number of four point questions in the test.

Let y represent the number of five point questions in the test.

There are 18 questions on the test. It means that

x + y = 18

Each question is worth either four or five points. The total is 80 points. This means that

4x + 5y = 80 - - - - - - - - - - - - - -1

Substituting x = 18 - y into equation 1, it becomes

4(18 - y) + 5y = 80

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y = 8

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8 0
3 years ago
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kobusy [5.1K]

Answer:

V= A(h/3)

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