Martin, Josh, and Alex are painting an office. When Martin paints an office alone it takes him 9 hours to complete the room. When Alex paints an office it takes 10 hours to complete the room. If Martin, Josh, and Alex work together, they can paint the room in 3 hours. If Josh has to paint the room alone, how long would it take?

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

c

step-by-step explanation: easy math

you first to choose the points and then move from then as the slope you have