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Jlenok [28]
3 years ago
5

Subtract 5 from me then add 2. If you subtract 10 and then add 3, you get 15. What number am I

Mathematics
1 answer:
pshichka [43]3 years ago
7 0

Answer:

You are 25

Step-by-step explanation:

This problem is a word problem that requires algebra notation, actually, we are meant to convert this word problem to mathematical expression then solve.

We proceed in a stepwise manner

let say what I have is x

1. Subtract 5 from me

  (x-5)

2. Then add 2

    (x-5)+2

3.  If you subtract 10

      (x-5)+2-10

4.  And then add 3

    (x-5)+2-10+3

5.  you get 15

   (x-5)+2-10+3=15

what am I is the question we need to answer, we do this by solving for x

x-5+2-10+3=15

x-15+5=15

x-10=15

x=15+10

x=25

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Hardy has three times as many tennis balls as kerns. They have 940 tennis balls in all. How many tennis balls does Hardy have th
topjm [15]

Answer:

Hardy has 470 more tennis balls than Kerns.

Step-by-step explanation:

Given that:

Total number of tennis balls = 940

Let,

x represents the number of tennis balls Hardy has.

y represents the number of tennis balls Kerns has.

According to given statement,

x+y=940     Eqn 1

x = 3y         Eqn 2

Putting x = 3y in Eqn 1

3y+y=940

4y=940

Dividing both sides by 4

\frac{4y}{4}=\frac{940}{4}\\y=235

Putting y=235 in Eqn 2

x = 3(235)

x = 705

Difference = Hardy's tennis balls - Kerns' tennis balls

Difference = 705 - 235 = 470

Hence,

Hardy has 470 more tennis balls than Kerns.

3 0
3 years ago
What is the value of the expression? Drag and drop the answer into the box to match the expression. 0.9(1/2−2)+0.6
mrs_skeptik [129]
Should be, -0.7, if you follow PEMDAS
6 0
3 years ago
Read 2 more answers
Which expression matches the situation?
ElenaW [278]

Answer:

The expression that matches the situation is 90.00 - 3x ⇒ 1st answer

Step-by-step explanation:

Let us solve the question

∵ You went to the mall with $90.00

→ That means the total money with you  = $90.00

∴ The total money = 90.00 dollars

∵ You bought three shirts that cost x dollars each

∴ The cost of a shirt = $x

∴ The number of shirts = 3

→ Find the total cost of the three shirts

∴ The cost of the shirts = 3 × x

∴ The cost of the shirts = 3x dollars

∵ The money left = the total money - the cost of the shirts

→ Substitute the value of total money and the cost of the shirts

∴ The amount of money left = 90.00 - 3x

∴ You have left with 90.00 - 3x dollars

∴ The expression matches the situation is 90.00 - 3x dollars

3 0
3 years ago
Using data set from 1.19
Dahasolnce [82]

Answer:

Step-by-step explanation:

Honestly I think that is a whole bunch of gibberish

6 0
3 years ago
Matt and Tikka thought of the same number. Matt added 7 to that number and then doubled the result. He got 26. Tikka did the sam
Reptile [31]

Answer:

19

Step-by-step explanation:

Matt ended up with 26.

We reverse the steps he did to get the original number that both people thought of.

26 / 2 = 13

13 - 7 = 6

6 is the original number.

Tikka did the same operations but in the reverse order so...

6 X 2 = 12

12 + 7 = 19

3 0
3 years ago
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