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RoseWind [281]
2 years ago
14

Which is better buy? 5 lb of flour for $0.90 or 8 lb for $1.25

Mathematics
2 answers:
lutik1710 [3]2 years ago
7 0

Answer:

The answer is 1.25

So if you have 5lbs for $0.90 you want to find the price of one, which would be 0.18 cents because 0.90 divided by 5 is 0.18. 8lbs for $1.25 you need to divide by 8 and you get 0.15625, but just simply to 0.15 or 5/32. So the second one is the better buy.

Ludmilka [50]2 years ago
4 0
Well let’s see if there’s a least common multiple of 5 and 8. Since 40 is the least common mult. We will multiply 40 x .90 and 40 x 1.25 . 40x.90 is 36 while 40x1.25 is 50. It’s better to buy eight pounds for 1.25!
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A recommendation for wheelchair ramps is that the rise-to-run ratio be no greater than 1:12. This ensures that the ramps are nav
patriot [66]

Answer:

a. 12 feet b. 12 feet 0.5 inches c. 8.33 %

Step-by-step explanation:

a. How far out horizontally on the ground will it protrude from the building?

Since the rise to run ratio is 1:12 and the building is 12 inches off the ground, let x be the horizontal distance the ramp protrudes.

So, by ratios rise/run = 1/12 = 12/x

1/12 = 12/x

x = 12 × 12

x = 144 inches

Since 12 inches = 1 foot, 144 inches = 144 × 1 inch = 144 × 1 foot/12 inches = 12 feet

b. How long should the ramp be?

The length of the ramp, L is gotten from Pythagoras' theorem since the ramp is a right-angled triangle with sides 12 inches and 144 inches respectively.

So, L = √(12² + 144²)

= √[12² + (12² × 12²)]

= 12√(1 + 144)

= 12√145

= 12 × 12.042

= 144.5 inches

Since 12 inches = 1 foot, 144.5 inches = 144 × 1 inch + 0.5 inches = 144 × 1 foot/12 inches + 0.5 inches = 12 feet 0.5 inches

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6 0
2 years ago
Please help quickly as possible thank you! ​
tensa zangetsu [6.8K]

Multiply Q\cdot P, quantity and price,

1.2\cdot5.95=7.14.

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3 years ago
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