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3 years ago

Bob bought 3 packs of model cars he gave 4 cars to ann Bob has 11 cars left how many model cars were in each pack

1 answer:

5 0

First add 11 and 4 because you need to know how many he had in total 11+4=15 then divide 15 by 3 and then you have you answer 15/3=5.
There are 5 model cars in each pack.

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Eric is twice as tall as his little brother Kevin. Kevin is also three feet shorter than Eric. If we let E=Eric's height and let

podryga [215]

Answer:

The 2 equations are E = 2K and K = E-3

Step-by-step explanation:

Let the height of Eric be E

Let the height of Kevin be K

Eric is twice as tall as his little brother Kevin

E = 2K

Kevin is also three feet shorter than Eric

K = E-3

The 2 equations are E = 2K and K = E-3

8 0

4 years ago

88 is aSolution 1/8x=11

jok3333 [9.3K]

Answer:

Yes, 88 is the solution

Step-by-step explanation:

1/8x = 11

Multiply both sides by 8

8(1/8)x = 11 (8)

x = 88

4 0

4 years ago

Cecilia made an envelope to mail a letter. She colored the regular trapezoid flap on the bottom of the envelope blue,

Katen [24]

Answer:

14 inch ^2

Step-by-step explanation:

Area of a trapezium= (a+b) 2 times h

so side a= 5 inches

side b= 9 inches

then times by 2 times the height (2)

you can rearrange the formula to this- a + b/ 2 times height.

5+9/2 times 2= 14

I hope this helps, have a lovely day.

8 0

2 years ago

Brad sold candy bars and cookies for a fundraiser at school. Candy bars sold for $3, and cookies sold for $5. He sold a total of

kari74 [83]

Answer: First option

12 candy bars were sold

Step-by-step explanation:

Call x the amount of candy sold and call z the amount of cookies sold. Then we know that

$x + z = 20$

We also know that candy bars sell for $ 3 and cookies sell for $ 5. The profit was $ 76

So:

$3x + 5z = 76$

To find the quantity of candy bars sold we must solve the system of equations:

$x + z = 20\\\\3x + 5z = 76$

Multiply the first equation by -5 and add it to the second equation

$-5x -5z = -100$

$3x + 5z = 76$

--------------------------------

$-2x = -24\\\\x = 12$

8 0

3 years ago

Read 2 more answers

before leaving to visit Mexico Levant traded 270 american dollars and received 3000 Mexican pesos when he returned from Mexico h

Verdich [7]

<span>Levant traded 270 american dollars and received 3000 Mexican pesos. This means that:
1 Mexican peso = (270 x 1) / (3000) = 0.09$

Therefore,
100 pesos will be worth 100 x 0.09 = 9$

Based on this, he will receive 9$ when exchanging 100 pesos for dollars.</span>

4 0

3 years ago

Read 2 more answers