What is the rounded average of the test grades: 98, 100, 100, 79, 85, 79, 83? 2
90%
87%
89%
88%

Step-by-step explanation:

Average = sum of number/total number

Given 07 number are= 98, 100, 100, 79, 85, 79, 83

average=98+100+100+79+85+79+83/7=89

Grounded average=89% answer

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