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3 years ago

Which fractions have a LCD of 30?

Mathematics

2 answers:

Tanzania [10]3 years ago

3 0

Answer:

none of them.

Step-by-step explanation:

A. 7 and 4 can not go into 30

B & D are the same choice and LCD is 15

C. LCD is 15

salantis [7]3 years ago

3 0

I would say C 2/15 1/5 1/15

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Jackson bought 555 ounces of raisins for \$4$4dollar sign, 4.

Fynjy0 [20]

Answer:

Part a) The raisins cost $0.8 per ounce

Part b) 1.25 ounces

Step-by-step explanation:

The correct question is

Jackson bought 5 ounces of raisins for $4 dollars.

a) How much do raisins cost per ounce?

b) How many ounces of raisins can be bought for $1?

Part a) How much do raisins cost per ounce?

we know that

To find out the unit rate divide the total cost by the total weight

$\frac{4}{5} =\$0.8\ per\ ounce$

therefore

The raisins cost $0.8 per ounce

Part b) How many ounces of raisins can be bought for $1?

we know that

The raisins cost $0.8 per ounce

using proportion

Find out how many ounces of raisins can be bought for $1

Let

x -----> the ounces of raisins

$\frac{1}{0.8}=\frac{x}{1}\\\\x= 1.25\ ounces$

8 0

3 years ago

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In a certain grocery store, strawberries cost $6.40 per pound ( 6.40 dollars/lb ). What is the cost per ounce?

Nastasia [14]

Solution:

we are given that

In a certain grocery store, strawberries cost $6.40 per pound ( 6.40 dollars/lb ).

we have been asked to find the cost per ounce?

As we know that

16 oz=1 lb

so we will divide by 16 to get the cost per ounce.

strawberries cost $6.40 per pound so for 1 oz it will cost $=\frac{6.40}{16}= 0.4$ $

Hence cost per ounce is 0.40 $

4 0

3 years ago

3. Combine like terms: 14 + 3 + 2c -20c Solve for x: x - 12= 20

Aneli [31]

Answer:

-18c + 17

x = 32

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3 years ago

0.4x-2.8 -------------- = 1.5 4 x= ?

kondaur [170]

Answer:

4.3

Step-by-step explanation:

what you wanna do is add the 1.5 and the -2.8 together, then devide it by 0.4 four, and thats what X equals.

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3 years ago

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Sliva [168]

Answer:

good luck tho oh and dont forget to tell me the answer

Step-by-step explanation:

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3 years ago

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