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Vilka [71]
3 years ago
13

Add, subtract, multiply, or divide. Round answers to money problems to the nearest cent. Show how you solved these four problems

below:

Mathematics
1 answer:
ozzi3 years ago
6 0

Answer:

1) $3.38

2) $7.29

3) $0.05

4) $12

Step-by-step explanation:

1) If we subtract $4.56 from $7.94, then we will get $(7.94 - 4.56) = $3.38

2) If we add $5.37 and $1.92, then we will get $(5.37 + 1.92) = $7.29

3) If we multiply $1.25 with 0.04 then we will get $(1.25 × 0.04) = $0.05

4) If we divide $9.6 by 0.8, then we will get $(9.6 ÷ 0.8) = $12 (Answer)

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4.5/y = 12.5/4 PLEASE HELP!!! SOS
garik1379 [7]

Answer:

y = 1.44

Step-by-step explanation:

What are you aiming to do here?  Please share all instructions with each problem.

If you want to solve 4.5/y = 12.5/4 for y:  Multiply both sides by 4y:

18 = 12.5y.  Then y = 1.44

7 0
3 years ago
CAN SOMEONE JUST CHECK MY ANSWER?
12345 [234]

Answer:

you are absolutely correct .........

6 0
3 years ago
Solve the problem: a + 3 = 2a + 2
Lilit [14]

Answer:

a=1

Step-by-step explanation:

a+3=2a+2

a-2a=2-3

-a=-1

a=1

5 0
3 years ago
A box contains $7.45 in nickels, dimes, and quarters. There are 43 coins in all, and the sum of the numbers of nickels and dimes
kari74 [83]

Answer:

<em>Number of nickels = 6</em>

<em>Number of dimes = 14</em>

<em>Number of quarters = 23</em>

<em></em>

Step-by-step explanation:

Total number of coins = 43

Let number of nickels = n

Let number of dimes = d

Let number of quarters = q

n+d+q=43 ...... (1)

Money in n nickels = n \times 0.05

Money in d dimes = d \times 0.10

Money in q quarters = q \times 0.25

Total money = $7.45

0.05n +0.10d+0.25q = 7.45\\\Rightarrow 5n +10d+25q = 745 .... (2)

The sum of the numbers of nickels and dimes is 3 less than the number of quarters.

i.e.

n+d=q-3

Let us put the value  in (1):

q-3+q=43\\\Rightarrow 2q= 43+3\\\Rightarrow q =23

Putting the value of q in (1) and (2):

n+d = 20 .... (3)

5n+10d+575 =745\\\Rightarrow 5n+10d =170\\\Rightarrow  n+2d =34 .... (4)

(4) - (3):

d = 14

Now, from (3):

n = 6

<em>Number of nickels = 6</em>

<em>Number of dimes = 14</em>

<em>Number of quarters = 23</em>

5 0
3 years ago
What is the fewest number to divide in eight twelves?
Ilya [14]
The fewest number is 3
6 0
3 years ago
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