Mathematics, 31.10.2019 22:31 july00

Josie is determined the length of the fabric she has left for a project. fabric a is 2/5ft. long. fabric b is 3/4 ft. longer than fabric a. fabric c is 7/10 ft. shorter than fabric b. what is the total length of fabric a, b, and c

Answers: 3

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Answer from: barb4you67

The length of Fabric A = 2/5 ft , Fabric B = 23/20 ft, Fabric C = 9/20 ft

Step-by-step explanation:

The length of the fabric A = 2/5 ft

The length of the fabric B = ( $\frac{3}{4} + \frac{2}{5}$ ) ft

Hence, the length of fabric B is :

( $\frac{3}{4} + \frac{2}{5}$ ) = $\frac{3(5) + 2(4)}{20} = \frac{23}{20}$ ft

Now, the length of fabric C = $(\frac{23}{20} - \frac{7}{10} ) ft$

⇒ $(\frac{23}{20} - \frac{7}{10} ) ft$ = $\frac{23(10) - 7(20)}{200} = \frac{9}{20}$

Hence, the length of : FABRIC A = 2/5 ft

FABRIC B = 23/20 ft

FABRIC C = 9/20 ft

Answer from: kenisonpaigebosma

A = $\frac{2}{5}$ ft

B = $\frac{23}{20}$ ft

C = $\frac{9}{20}$ ft

The total length of fabric A , B ,C = 2 ft

Step-by-step explanation:

The length of fabric A = $\frac{2}{5}$ ft

The length of fabric B = $\frac{3}{4}$ ft + $\frac{2}{5}$ ft

B = $\frac{15 + 8}{20}$ ft

B = $\frac{23}{20}$ ft

The length of fabric C = $\frac{23}{20}$ ft - $\frac{7}{10}$ ft

C = $\frac{23 -14 }{20}$ ft

C = $\frac{9}{20}$ ft

The total length of fabric = $\frac{2}{5}$ ft + $\frac{23} {20}$ ft + $\frac{9}{20}$ ft

The total length of fabric = $\frac{8 + 23 +9}{20}$ ft

= $\frac{40}{20}$ ft

= 2 ft

Hence the total length of fabric A , B ,C = 2 ft Answer

Answer from: Quest

answer is a

step-by-step explanation:

Aphrase is shown read the phrase and give me the answer

Answer from: Quest

mr. flanders’ class sold 47 doughnuts and mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations:

$\left\{\begin{array}{l}x+y=85\\1.35x+1.08y=104.49\end{array}\right.\rightarrow \left\{\begin{array}{l}x=85-y\\1.35(85-y)+1.08y=104.49\end{array}\right.$

$114.75-1.35y+1.08y=104.49,\\ \\114.75-104.49=1.35y-1.08y,\\ \\10.26=0.27y,\\ \\y=38,\\ \\x=85-38=47.$

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Josie is determined the length of the fabric she has left for a project. fabric a is 2/5ft. long. fa...