Francois baked just enough cookies to fill all the orders at his bakery. While the cookies were cooling, a kitchen assistant knocked over a cooling rack and spilled 1 2 % , percent of the cookies onto the floor. Francois had to bake 36 more cookies to replace them.

Answers

Answer 1
Answer: If 36 = 12% of the cookies, the total number of cookies equals x in the following equation:
(36)/(.12)= (x)/(1)

So x = (36)/(.12) = 300 cookies in total!

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What is the least common denominator for the two fractions?

Answers

15 because 3 x 5 is 15.
As LCM(3,5) = least common denominator for 1/3 and 6/5
Thus, read. answer = 15

Subtract. use models if needed (-2x+6)-(13×-16)

Answers

-2X+6=-12 negative 12 (-12)
13x-16=-208 negative 208(-208)
-12--208=196

-5⁄2 a + 5 = 25 find a

Answers

Answer:

sub 5 25 - 5 = 20

-5/2a=20

mult 2 by each side to get rid of fraction

-5a=40

divide -5 from 40

a=-8

Answer:

The answer is 8

Step-by-step explanation:

-5/2 x 8= 20 and if you add 5 it is 25.

Plans say that 1800 gallons of water are recycled through the water rush ride each minute. Ms Luca wants to make a statement about the number of quarts of water that are recycled each second. What should her statement be? Show your work.

Answers

1800 gal converts to 7200 quarts, and divide that by 60 you get 120 quarts of water per second.
well first you would have to divide 1800 by 60 (because there are 60 seconds in a minute). which would equal 30. then divide that by 4 which would be 7.5. and theres your answer. 7.5 quarts per second.

Solve 7× 20. Draw a model to show your answer

Answers

140.  7×20=140

-RainyClouds

140 because 7x20 : 140

max cycles at a speed of 15 mph. He cycles 12 miles from home to school.                  If he increases the sped by 5 mph, how much faster will he reach his school?

(if you answer the question please show how you got it, please.)

Answers


First of all, you're not really asking "How much faster ?". 
That would be "5 mph faster". 
You're really asking "How much sooner ?"

At 15 mph, the trip takes him  12/15 = 4/5  hour.

At 20 mph, the trip takes him  12/20 = 3/5  hour.

The time saving is          (4/5 - 3/5) = 1/5 hour .

                                                        =  12 minutes

Notice that by changing to  5/4  of his original speed,
he changed the trip to  4/5  of the original time.
It always works out like that ... reciprocally.

the cyclist would be going 20 mph after increasing his speed by 5 mph. but we would need to know how fast it took him to get to school when he was going to school to figure out how long it would take him to get to school. the distance 12 miles would not get shorter with max going faster, it would stay the same. so you would need to know how long it was taking him to get to school before i could do the math to figure out how fast he would get to school with his increased speed.