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shepuryov [24]
3 years ago
6

At Supply World, 4 pens cost $10.00. How much do 3 pens cost if the price per pen is the same?

Mathematics
2 answers:
Romashka-Z-Leto [24]3 years ago
3 0

Answer:

$7.50

Step-by-step explanation:

balu736 [363]3 years ago
3 0
$7.50 dollars is the answer
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If u know this help me I got a lot of homework 6 grade work
Svet_ta [14]
Hello! I can help you!

22. Okay. What we need to do for this one is subtract fraction.l, because we are looking for how much more the second container holds than the first. We need to covert them to like denominators, which in this case is 8 5 3/4 = 5 6/8. Because 6/8 is less than 7/8, we need to regroup by adding 8 and turning the 5 into a 4. The problem would become like this: 4 14/8 - 1 7/8. When you subtract both numbers, you get 3 7/8. There. The second container holds 3 7/8 more gallons of water than the first.

23.

a. 15 student speeches will last 1 1/2 minutes each. In this case, we just simply multiply the fractions by multiply straight across. Multiply the top numbers together and the bottom numbers together. 1 1/2 is 3/2 a an improper fraction. Make 15 have a denominator of 1. 15/1 * 3/2 is 45/2 or 22 1/2 as a mixed number. It will take 22 1/2 minutes to give the speeches.

b. Okay. The teacher makes a 15 minute intro. Let’s add the time it takes to make the speeches and the teacher’s intro. 22 1/2 + 15 0/2 is 37 1/2. Yes. There is enough time to record everyone.

c. There are 60 minutes in 1 hour. Subtract the total amount taken on the camera from 60. 0/2 is less than 1/2. Again, regroup by adding 2 to make 2/2, and crossing out 60, so it becomes 59. 59 2/2 - 37 1/2 is 22 1/2. There are 22 1/2 minutes left on the digital camera.
5 0
3 years ago
21 quarters out of 186 quarters simplest form
posledela
21/186
Answer: 7/62
Hope this helps!!!!!!!

4 0
3 years ago
Read 2 more answers
I need help with number 5
Zielflug [23.3K]

Answer:

100.34÷2.9=34.6

Step-by-step explanation:

You will need to move the decimal point to the right one place

5 0
3 years ago
Hirva ate 5/8 of a medium pizza. Elizabeth ate 1/4 of the pizza. How much pizza did they eat altogether?
Tcecarenko [31]
5/8 + 1/4 = (5+2)/8 = 7/8
7 0
3 years ago
Read 2 more answers
Does anyone know please
Novay_Z [31]

Answer:

8 hours and 54 minuter

Step-by-step explanation:

1 hour is equal to 60 minutes

we have 8 hours and 0.9 hours

0.9*60=54 minutes

we have 8 hours and 54 minuter

7 0
2 years ago
Read 2 more answers
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