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VLD [36.1K]
3 years ago
14

Edward has $400 more than Robert. After Edward spends $60 on groceries, he has three times more money than Robert. How much mone

y does Robert have?
Mathematics
2 answers:
igomit [66]3 years ago
7 0

Answer: 170

Step-by-step explanation:

We can set up simultaneous equations such that:

E = R+400

E - 60 = 3R

Solving gives R = 170 and E =570

drek231 [11]3 years ago
3 0

Answer:

Robert has $140

Step-by-step explanation:

400 - 60 = 420

420/3 = 140

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Find the value of x. ​
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Step-by-step explanation:

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3 years ago
Taseem’s loose change consists of dimes and quarters. When you ask her how many of each type of coin she has, she gives you the
sweet-ann [11.9K]

The statement first, and the statement second are correct because the number of dimes is 34, and the number of quarters is 66

What is a linear equation?

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

We have:

0.1x + 0.25y = 19.9 and

x + y = 100

Let x = number of dimes

y = number of quarters

After solving the above system of equations by substitution method.

\rm \dfrac{398-5y}{2}+y=100

y = 66

\rm x=\dfrac{398-5\cdot \:66}{2}

x = 34

Thus, the statement first, and the statement second are correct because the number of dimes is 34, and the number of quarters is 66

Learn more about the linear equation here:

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4 0
2 years ago
The equation y = [x - 5] +2 is?
Ymorist [56]

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Groot

Step-by-step explanation:

5 0
3 years ago
Which expression is equivalent to (7x – 5) – (3x - 2)
Nastasia [14]

Answer:

D

Step-by-step explanation:

We have the expression

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First we need to distribute the negative throughout the parenthesis. Then we can combine like terms in order to simplify this expression

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This answer matches D.

3 0
3 years ago
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