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Salsk061 [2.6K]

3 years ago

11

Mary and her brother John collect foreign coins. Mary has three times the number of coins that John has. Together they have 140

foreign coins.

1 answer:

Crank3 years ago

6 0

Mary has 3x coins, John has x coins,
x+3x=140.
4x=140
x=140/4
x=35

John has 35 coins and Mary has 105 coins.

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Elenna [48]

Answer:

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Step-by-step explanation:

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2 years ago

Factor X^3-7x^2-5x+35 by grouping. What is the resulting expression

WARRIOR [948]

Answer:

(x-7) (x^2-5)

Step-by-step explanation:

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3 years ago

Read 2 more answers

A) 2.5x + 1.25 < 3.75 <br>b)5.12 2.4x + 0.3<br>help!!!<br><br>

Sauron [17]

Answer:

a) 1

b)I would like to help u but i don't understand the question I think something is missing there plus sign or minus sign sry

Step-by-step explanation:

2.5x + 1.25 < 3.75

2.5x < 3.75 - 1.25

2.5x < 2.5

$\frac{2.5x}{2.5} = \frac{2.5}{2.5}$

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For any question comment me

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4 0

3 years ago

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VLD [36.1K]

A = 440

answer...

A

=

a

+

b

2

h

=

25

+

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2 years ago

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3 years ago

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