Liam is setting up folding chairs for a meeting. If he arranges the chairs in 9 row of the same length, he has 3 chairs left over. If he arranges the chairs in 7 rows of that same length, he has 19 left. How many chairs does Liam have?

Answers

Answer 1

Answer: Let the number of chairs in a row be x, then the total number of chairs is 9x + 3 = 7x + 19. i.e. 9x + 3 = 7x + 19; 9x - 7x = 19 - 3; 2x = 16 x = 16/2 = 8. Thus there are 8 chairs in each row. Therefore, the total number of chairs is given by 9(8) + 3 = 72 + 3 = 75.I hope that my answer is helpful! Let me know if you need something more :)

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During a catered lunch, an average of 4 cups of tea are poured per minute. The lunch will last 2 hours. How many gallons of tea should the caterer bring if there are 16 cups in one gallon?gallons

Answers

we know that

An average of $4$ cups of tea are poured per minute

Step 1

Find the number of cups that are poured in two hours by proportion

Remember that

$2\ hours=120\ minutes$

$(4)/(1) (cups)/(minute) =(x)/(120)(cups)/(minutes) \n \nx=120*4 \n \nx=480\ cups$

Step 2

Convert cups to gallons by proportion

Remember that

$16\ cups=1\ gallon$

$(1)/(16) (gallon)/(cups) =(x)/(480) (gallons)/(cups) \n \nx=480/16 \n \nx=30\ gallons$

therefore

the answer is

$30\ gallons$

The answer is 30.
There are 16 cups in a gallon. And 120 minutes in 2 hours. so multiple
16*120 which is 480. Then divide 480/120 and get 30 as your answer

You have 59 total coins for a total of 12.05. You only have quarters and dimes. How many of each coin do you have?

Answers

Ok, let's settle this with a simultaneous equation...

0.25 * X + 0.10 * Y = 12.05

X + Y = 59

------

This means that:

X = 59 - Y

Which means that:

0.25 * (59 - Y) + 0.10 * Y = 12.05

0.25 * 59 - 0.25 * Y + 0.10 * Y = 12.05

Y (0.10 - 0.25) = 12.05 - 0.25 * 59

-0.15 * Y = -2.7

Y = (-2.7)/(-0.15)

Y = 18

---------

X + Y = 59

Therefore:

X + 18 = 59

X = 59 - 18

X = 41

-------------

There are 41 quarters and 18 dimes.

Juan has 12 muffins he puts 1/4 of the muffins in a bag how many muffins does juan put in the bag

Answers

1/4 is = to .25 so i did .25 times 12 which is 3 so that means juan put 3 in the bag

He put three in the bag 3+3+3+3=12

Peter jogged 96 yards in 40 seconds? What is his speed in feet per second?

Answers

96 yards = 288 feet
speed is 288/40 - 7.2 feet/s

Hi, I think i got the answer wrong sorry!

There are 4 more girls in Mrs. Pitt's class than Mr. Brown's class. Five girls moved from Mrs. Pitt's class to Mr. Brown's class. Now there are twice as many girls in Mr. Brown's class as there are in Mrs. Pitt's. How many girls were in Mr. Brown's class to begin with?

Answers

3 girls were in Mr. Brown class in the beginning

Answer:

There were 7 girls in Mr. Brown's class to begin with.

i really hope this helps/brainliest is always appreciated

Helppppp..............

Answers

Answer:

Step-by-step explanation:

I am not sure if this correct since I used my notes.

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