2 years ago

A shirt that is regulary priced at $22.50 is on sale for $18.00. What is the percentage of decrease in the price of the shirt?

1 answer:

7 0

The price after the sale is (18/22.5)*100 = 80% from the original price
so, the percentage of decrease in the price of the shirt is 100% - 80% = 20%

another way,
how much is decreased / original price *100
(22.5-18) / 22.5 *100 = 20%

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Alex was thinking of a number. Alex subtracts 14 from it and gets an answer of 29.6. What was the original number?

vekshin1

29.6 + 14 = 43.6
43.6 - 14 = 29.6

Hope this helped!

4 0

3 years ago

If P(A)=0.4, P(A and B)=0.2,and P(A or B)=0.5, What is P(B)

Vladimir [108]

Answer:

$\boxed{\ P(B)=0.3 \ }$

Step-by-step explanation:

Hi,

We know that

P(A or B)=P(A)+P(B)-P(A and B)

so P(B)= P(A or B) - P(A) + P(A and B)

P(B) = 0.5 - 0.4 + 0.2 = 0.3

thanks

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3 years ago

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tino4ka555 [31]

Answer:

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3 years ago

3. Which linear equation corresponds to the line graph?

iogann1982 [59]

Answer:

Y=1/3x

Step-by-step explanation:

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2) next, we will use the formula for slope to find the value of m

Y2-Y1/X2-X1

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Y1=0

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X1=0

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3 years ago

Combine like terms to write a simplified expression: <br><br> 12p + 11 - 5p + 3

liubo4ka [24]

Answer:

7p + 14

Step-by-step explanation:

add 12p and -5p to get 7p

then add 11 and 3 to get 14

your equation will be 7p + 14

7 0

2 years ago

Read 2 more answers