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valkas [14]
2 years ago
15

60% of a number is 90 what is the number?​

Mathematics
2 answers:
kramer2 years ago
5 0

Answer:

The number is 150

Step-by-step explanation:

Is means equals and of means multiply

60 % * N = 90

.60 N = 90

Divide each side by .6

N = 90/.6

N =150

Alex2 years ago
3 0

Answer:

150

Step-by-step explanation:

60% of X = 90

or,60/100 × X = 90

or,3x/5 =90

or,X = 90×5 /3

or,X =150

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Answer:

bus = 43

van 12

Step-by-step explanation:

This can be solved using simultaneous equations

Let v represent the number of students that a van carries

Let b represent the number of students that a bus carries

the following equations can be derived from the question

3v + 2b = 122 eqn 1

5v + 3b = 189  eqn 2

Multiply eqn 1 by 5 and eqn 2 by 3

15v + 10b = 610  eqn 3

15v + 9b = 567 eqn 4

Subtract equation 4 from 3

b = 43

Substitute for b in equation 1

3v + 2(43) = 122

solve for v

v = 12

5 0
2 years ago
Charles and his brother are sharing the cost of a video game. The video game costs $30.70. If Charles saved $20 to buy the game
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2 years ago
A moving company charges $0.70 per pound for a move from New York to Florida. A family estimates that their belongings weigh abo
mamaluj [8]

First, how many pounds are equal to 1 ton?  2000

Then, $0.70 x 2000 pounds

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5 0
3 years ago
How do I solve this proportion??<br> 7/n = 8 / 7
kirill115 [55]
\frac{7}{n}=\frac{8}{7} \\\\ n=\frac{7*7}{8} \\\\ \boxed{n=\frac{49}{8}}
7 0
3 years ago
Read 2 more answers
Solutions to 4x- 8x-90
Butoxors [25]

Answer:

Step-by-step explanation:

4x- 8x-90

= -4x - 90

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7 0
2 years ago
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