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REY [17]
3 years ago
15

Addison worked 6 more hours this week than last week. In total, she worked 72 hours this week and last week. Using the equation

2h + 6 = 72, how many hours (h) did Addison work last week?
Mathematics
1 answer:
MArishka [77]3 years ago
5 0

Answer:

h = 33 hours

Step-by-step explanation:

Given that,

Addison worked 6 more hours this week than last week. In total, she worked 72 hours this week and last week.

The equation is :

2h + 6 = 72

We need to find the number of hours

2h = 72 - 6

2h = 66

h = 33

Hence, Adison worked for 33 hours last week.

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janet earns $16 per week for doing chores around the house. write and solve an equation that determines how many weeks she needs
dexar [7]

Answer:

16x = 12 where x is the number of weeks she works, x = 3/4 of a week

Step-by-step explanation:

If Janet gets 16 dollars a week, then 16 times the number of weeks she works is the amount she makes. If x is the number of weeks she works, this would be 16x. Since she is trying to get $12 your equation would be 16x = 12.

Solving,

16x = 12

divide both sides of the equation by 16

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3 years ago
A plane can fly 1020 miles in the same time as it takes a car to go 360 miles. If the car travels 110 mph slower than the plane,
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Answer:

170 mph

Step-by-step explanation:

Let x mph be the plane's speed.

If the car travels 110 mph slower than the plane, then the car's speed is x - 110 mph.

<u>Plane:</u>

Speed = x mph

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Time = t hours

1,020=x\cdot t\Rightarrow t=\dfrac{1,020}{x}

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A plane can fly 1020 miles in the same time as it takes a car to go 360 miles, so

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Cross multiply:

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