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3 years ago

You used 5 cups of flour to bake 80 cookies.How many cups do you need if you are planning to bake 144 cookies?

1 answer:

6 0

First, set up a proportion

5 cups x cups
————— = ———————-
80 cookies. 144 cookies

144 • 5 = 720

720= 80x
—————
80

x= 90

ANSWER: 90 CUPS OF FLOUR

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A sofa regularly sells for 680. The sale price is 639.20. Find the percent decrease of the sale price from the regular price.

elena55 [62]

There is a 6% decrease as 639.20 divided 680 is 0.94. Meaning 6% decrease.

6 0

2 years ago

Please help me Due in an hour

vladimir1956 [14]

131.88 or jus do radius times 2 so 21+ 21 = 42.

42 x pi(3.14) = 131.88

3 0

2 years ago

a researcher in a personal submarine begins at the surface of thr ocean. The submarine descends 20.6 meters and the ascends 5 7/

Mumz [18]

Answer:

$Depth = 14.9\ metres$

Step-by-step explanation:

Given

$Desc = 20.6\ metres$

$Asc = 5\frac{7}{10}\ metres$

Required

Determine the depth

The depth is the distance between the two distances as follows'

$Depth = |Desc - Asc|$

Substitute values

$Depth = |20.6 - 5\frac{7}{10}|$

Convert fraction to decimal

$Depth = |20.6 - 5.70|$

$Depth = |14.9|$

$Depth = 14.9\ metres$

6 0

3 years ago

Find the number if the difference between 4/5 of the number and 3/4 of the same number is 5 .

Ivan

Answer:

100

Step-by-step explanation:

Number = x

0.8x - 0.75x = 5

0.05x = 5

x = 100

8 0

3 years ago

Read 2 more answers

Which of the following is an example of the additive identity? a +(-a) = 0 a+0=0 a+0= a

UNO [17]

Answer:

a+0= a

Step-by-step explanation:

we know that

The additive identity property says that if you add a real number to zero or add zero to a real number, then you get the same real number back

Let

a -----> a real number

a+0=0+a=a

therefore

a+0= a

4 0

3 years ago