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Tamiku [17]
3 years ago
5

each evening, Marisol spend at least twice as much time reading as she spends doing homework. If Marisol works on her homework f

or 42 minutes, how much time can she spend reading?
Mathematics
2 answers:
erica [24]3 years ago
8 0
To get the result we can use knowledge that reading is 2 times longer than HW.
To find this value we just have to multiply 42 times 2 so
40*2=80
Its 1 hour and 20 min - its the result
Vadim26 [7]3 years ago
7 0
Multiply 42 times 2 and your answer will be 84
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A teacher has two students, one two times as old as the other. The teacher is five times as old as the older student, and in 5 y
kramer
Let's call the younger student's age A and the older student's age B. The teacher's age will be T.

B = 2A
T = 5B
T+5 = 5(A+5)

Simplify the last equation.

T+5 = 5A+25
T = 5A+20

Now we have two equations solved for T, so we can set them equal to each other.

5B = 5A + 20

We can plug 2A in for B

5(2A) = 5A + 20

10A = 5A + 20

5A = 20

A = 4

To find T, we plug 4 in for A in T = 5A + 20

T = 5(4) + 20

T = 40

The answer is 40 years old.


6 0
3 years ago
Read 2 more answers
The price of a house decreased from $500,000 to $400,000 in one year. What is the percent decrease?
-BARSIC- [3]

Answer:

A) 20%

Step-by-step explanation:

A) ✅

500000(0.2) = 100,000

500000 - 100,000 = 400,000

B) ❌

500000(0.25) = 125,000

500000 - 125,000 = 375,000

C) ❌

500000(0.3) = 150,000

500000 - 150,000 = 350,000

D) ❌

500000(0.35) = 175,000

500000 - 175,000 = 325,000

6 0
3 years ago
Read 2 more answers
I neeeeeeeeeeeeeeed iiiiiiiiiiiiitttttt
jeka94
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5 0
3 years ago
Hope you all have a great day!
ArbitrLikvidat [17]

u tooooooo!!

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4 0
3 years ago
HELP!!! ANSWER QUICKLY PLS!!! <br><br> (dont worry about the purple dot)
OverLord2011 [107]
The answer is b cause none of x is the same number
8 0
3 years ago
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