If 20 man or 30 boys can do a piece of work in 36 days, in how many days will 10 men and 12 boys do it? a. 15 C: 30 b. 20 d. 40. ​

d. 40

Step-by-step explanation:

20 men = 30 boys = 36 days

1 man = 36 ÷ 20

         = 2.8

1 boy = 36 ÷ 30

        = 1.2

10 men + 12 boys = (10×2.8) + (12×1.2)

                             = 28 + 14.4

                             = 42.4

                             ≈ 40

step-by-step explanation:

if you meant, "on the way from (3, 2) to (3, 14):

x does not change; y increases by 12.

ensure that you have copied down this problem correctly.   .

25 questions , because they start with 100.  

350-100=250 .  

. 250/10=25

step-by-step explanation:

first take off 100, then what x 10 = 250? that is your answer. (25)