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DedPeter [7]
2 years ago
14

Jamie's family has completed 80% of a trip. They have traveled 40 miles. How far is the trip?​

Mathematics
1 answer:
xenn [34]2 years ago
5 0

Answer:

50

Step-by-step explanation:

because forty is eighty percent of 50

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Congratulations! You just won the lottery and plan to buy a bunch of cars and motorcycles for all your friends. You purchase 50
Sedaia [141]

Step 1

Let n represent car and m represent motorcycles.

n + m = 50 ...................1

car has four wheels and motorcycle has two wheels

4n + 2m = 164 .............................. 2

Step 2

Solve equation 1 and 2 simultaneously.

from (1), make n subject of relation and substitute in equation 2.

n = 50 - m

Step 3

Substitute n in equation 2

4(50 - m) + 2m = 164

200 - 4m + 2m = 164

collect like terms

200 - 164 = 4m - 2m

36 = 2m

m = 36/2

m = 18

next find n

n = 50 - m

n = 50 - 18

n = 32

There are 32 cars and 18 motorcycles.

8 0
1 year ago
2(3x – 1) = –6x – 2 can someone help
Gnom [1K]

Let's solve your equation step-by-step.

2(3x−1)=−6x−2

Step 1: Simplify both sides of the equation.

2(3x−1)=−6x−2

(2)(3x)+(2)(−1)=−6x+−2(Distribute)

6x+−2=−6x+−2

6x−2=−6x−2

Step 2: Add 6x to both sides.

6x−2+6x=−6x−2+6x

12x−2=−2

Step 3: Add 2 to both sides.

12x−2+2=−2+2

12x=0

Step 4: Divide both sides by 12.

12x/12= 0/12

x=0

Answer:

x=0

HOPE THIS HELPS!!! :)

5 0
3 years ago
Morgan drove from los angeles, at an elevation of 330 feet, to death valley, at an elevation of -282 feet. what is the differenc
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Solve: 9x+y=2<br> -4x-y=-17
beks73 [17]

Answer:

2

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9

x

Step-by-step explanation:

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3 years ago
Abdul runs 6 miles in 50 minutes. At the same rate, how many miles would he run in 35 minutes?
stepladder [879]
\frac{6miles}{50min} = \frac{x miles}{35 min}  \\ 6*35 = 50*x \\ 210 =50x \\ 210/50=50x/50 \\ x=4.2
Abdul can run 4.2 miles in 35 minutes
5 0
3 years ago
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