Of the 405 students who took the test, 162 of them passed. Write a ratio in
simplest form for the number of
students who passed the test to the
number of students who took the test.

5 : 2

Step-by-step explanation:

ivide both terms by the GCF, 81:

405 ÷ 81 = 5

162 ÷ 81 = 2

The ratio 405 : 162 can be reduced to lowest terms by dividing both terms by the GCF = 81 :

405 : 162 = 5 : 2

Therefore:

405 : 162 = 5 : 2

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step-by-step explanation:

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walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40