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3 years ago

8

A chili recipe calls for 6 lb of ground beef for 25 servings how many pounds of ground beef are needed for 30 servings

1 answer:

Vika [28.1K]3 years ago

8 0

4lbs of ground beef should be the answer

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A rectangle has an area of 100 square centimeters. The base of the rectangle is 25 centimeters. What is the height of the rectan

enyata [817]

You find area by multiplying base and height.
The formula is A=bh
so 100=25h
25 times 4 is 100
100=25*4

4cm is your answer

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2 years ago

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Car travels and average speed of 48 miles per hour how long does it take to travel 180 miles?

Neporo4naja [7]

speed =48mph

distance = 180 miles

we know that

time = distance / speed

$time=\frac{180}{48} hours$

$time=3.75 hours$ ..........Answer

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3 years ago

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A pet store sells goldfish and hermit crabs,

Elis [28]

Answer:

$Cost = \$28$

Step-by-step explanation:

Given

Represent Goldfish with g and hermit crabs with h.

The first statement, we have:

$7g + 3h = 26$

The second statement, we have:

$4g + 5h = 28$

Required

Determine the selling price of 6 goldfish and 4 hermit crabs

The equations are:

$7g + 3h = 26$ --- (1)

$4g + 5h = 28$ --- (2)

Make g the subject in (2)

$4g + 5h = 28$

$4g = 28 - 5h$

Divide both sides by 4

$g = \frac{1}{4}(28 - 5h)$

Substitute $\frac{1}{4}(28 - 5h)$ for g in (1)

$7g + 3h = 26$

$7(\frac{1}{4}(28 - 5h)) + 3h = 26$

$\frac{7}{4}(28 - 5h) + 3h = 26$

Multiply through by 4

$4 * \frac{7}{4}(28 - 5h) + 4*3h = 26*4$

$7(28 - 5h) + 4*3h = 26*4$

Open bracket

$196 - 35h + 12h = 104$

$196 -23h = 104$

Collect Like Terms

$-23h = 104-196$

$-23h = -92$

Make h the subject

$h = \frac{-92}{-23}$

$h = \frac{92}{23}$

$h = 4$

Substitute 4 for h in $g = \frac{1}{4}(28 - 5h)$

$g = \frac{1}{4}(28 - 5*4)$

$g = \frac{1}{4}(28 - 20)$

$g = \frac{1}{4}(8)$

$g = 2$

This implies that:

1 goldfish = $2

1 hermit crab = $4

The cost of 6 goldfish and 4 hermit crabs is:

$Cost = 6g + 4h$

$Cost = 6*\$2 + 4*\$4$

$Cost = \$12 + \$16$

$Cost = \$28$

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3 years ago

Luis starts to do a division problem and notices that there is a pattern in the digits to the right of the decimal point.

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<span>(B)rational
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2 years ago

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