Jonathan has 7 hours to finish three jobs. if the first job takes him 2 3/4 hours and the second joob takes him 1 5/6 hours, how much time does he have to complete the third job?
answer with supporting work :

54

step-by-step explanation:

6x9

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