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Agata [3.3K]
3 years ago
8

Please Answer below!!!

Mathematics
1 answer:
anastassius [24]3 years ago
5 0

Answer:

C

Step-by-step explanation:

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Andrew has a moneybox in which he saves all of his R5,R2 and R1 coins.The coins are in the ratio 2:5:7 respectively.If he has a
Pepsi [2]

Andrew has saved 36 number of R5 coins, 90 number of R2 coins and 126 number of R1 coins.  

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

The coins are in the ratio 2:5:7 respectively. If he has a R90 in R2 coins. If x represent the total coins, hence:

(5/14) * x = 90

x = 252

Number of R5 coins = (2/14) * 252 = 36

Number of R1 coins = (7/14) * 252 = 126

Andrew has saved 36 number of R5 coins, 90 number of R2 coins and 126 number of R1 coins,  

find out more on equation at: brainly.com/question/2972832

4 0
2 years ago
Find the area of a triangle ABC when m
Marina CMI [18]
I can’t see the question b
6 0
3 years ago
An 8 1/2 ounce bottle costs $0.99. Calculate the cost per ounce
icang [17]

Answer:

Step-by-step explanation: Part 1) The units rates are

A)

B)

C)

D)

Part 2) The best buy is the size 48 1/4 we know that To find out the unit rate divide the total cost by the total volume

Part 1) Calculate the unit rate for each size

case A) we have 8 1/2 ounce bottle costs $0.99 Convert mixed number to an improper fraction

Find the unit rate

case B) we have

18 2/2 oz. bottle costs $1.49

Convert mixed number

Find the unit rate

case C) we have

48 1/4 oz. carton costs $2.49

Convert mixed number to an improper fraction

Find the unit rate

case D) we have

64 3/4 oz. carton costs $3.75

Convert mixed number to an improper fraction

Find the unit rate

Part 2) which size is the best buy

we know that

The best buy is the one with the smallest unit rate

so

The best buy is the size 48 1/4 oz

5 0
3 years ago
2. A boy and his father played 26 games of checkers. For every game the boy lost, he gave his father 5 cents. For every game the
trasher [3.6K]

Answer: the boy won 10 games

Step-by-step explanation:

Let's call B as the number of games won by the boy, and F as the number of games won by the father.

We know that, there is a total of 26 games:

B + F = 26.

We know that in each game won by the boy, he wins 8 cents, for every game that the father wins, the boy losses 5 cents, and we know that at the end of the 26 games, the boy did not win or lose any money, so we have:

B*8 + F*(-5) = 0.

Then we have a system of equations:

B + F = 26

8*B - 5*F = 0.

The first step is isolating one of the variables. Let's start isolating F in the first equation:

B + F = 26

F = 26 - B.

Now we can replace this in the second equation:

8*B - 5*F = 0

8*B - 5*(26 - B) = 0

8*B + 5*B - 5*26 = 0

13*B = 5*26

B = 5*26/13 = 5*2 = 10

So the boy won 10 games (then the father won the other 16 games)

7 0
3 years ago
A soccer field measures 300 feet by 180 feet. What is the area of the field?
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It is 54,000 feet. Area is length times width (300 times 180).
8 0
4 years ago
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