washing 2 cars and 3 trucks takes 130 min. washing 2 cars and 5 trucks takes 190 min. How long does it take to wash each type of vehicle?

8

step-by-step explanation:

this is a subtraction problem.

10 - 2 = 8

15%

step-by-step explanation:

use the table and count the number of guesses that has two correct answers.

the following are two correct answers

10010, 01100, 11000

a total of 3 numbers having 2 correct guesses out of 20 questions.

probability of getting 2 correct guesses = the number of questions getting 2 correct answers / total number of questions.

= 3/20

to convert it into percent multiply by 100, we get

= 3/20 * 100

= 15%

the answer is 15%

you.

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step-by-step explanation:

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95.03 is the answer. hope this !