Mathematics, 26.06.2019 09:30 sethjohnson386pbnm3x

Lila wanted to make some baked goods for the bake sale at her school. she used 1/8 lb less flour to make bread than to make cookies. she used 1/4 lb more to make cookies than to make brownies. if she used 1/2 lb of flour to make bread, how much flour did she use to make the brownies? explain your answer using a diagram and/or an equation or words.

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Answer from: Samaritan

She used 3/8 lb of flour to make the bownies.

Step-by-step explanation:

Hi, to answer this question we have to write equations with the information given:

She used 1/2 lb of flour to make bread

Bread = 1/2

She used 1/8 lb less flour to make bread than to make cookies.

Bread = cookies -1/8

Since bread= 1/2

(1/2) = cookies -1/8

1/2 + 1/8 = cookies

Cookies = 1/2+ 1/8 = 4/8+1/8=5/8

She used 1/4 lb more to make cookies than to make brownies.

Cookies = brownies + 1/4

Since cookies=5/8

5/8 = brownies + 1/4

5/8 -1/4 = brownies

Brownies = 5/8-1/4 = 5/8 - 2/8 = 3/8

She used 3/8 lb of flour to make the brownies.

Answer from: Quest

step-by-step explanation:

12: 00 p.m. to 7: 00 p.m. is a total of 7 hours.

4: 00 p.m. to 7: 00 p.m. is a total of 3 hours.

this means that from 4: 00 p.m to 7: 00 p.m. this represents 3/7 of what was lost from 12: 00 p.m. to 7: 00 p.m.

after knowing this, after doing 11,600 - 6,800 = 4,800

4,800 represents 3/7 of what was lost for 7 hours.

we then divide 4,800 by 3 which gets 1,600.

because we know that 1,600 represents 1/7 of how much water was lost, we just have to multiply by 7, which gets 11,200. after adding 11,200 to how much water was left at 7: 00 p.m. which was 6,800. 11,200 + 6,800 = 18,000

this means that the pool originally had 18,000 gallons in the pool.

you can also check your work by doing 18,000 - 4(1600), which becomes 1800 - 6400 which gets you 11,600.

Answer from: Quest

$w\geq 14$

the smallest possible measurement of the width is 14 feet

step-by-step explanation:

let's assume length of parallelogram is 'l'

width of parallelogram is 'w'

the perimeter of a parallelogram must be no less than 40 feet

so, we get

$2l+2w\geq 40$

we are given

length of parallelogram is 6 feet

so,

l=6

we can plug it

$2\times 6+2w\geq 40$

now, we can solve for w

$12+2w\geq 40$

subtract both sides by 12

$12+2w-12\geq 40-12$

$2w\geq 28$

divide both sides by 2

and we get

$w\geq 14$

so,

the smallest possible measurement of the width is 14 feet

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