Question

please tell me right answer with steps​

Answer 1

Answer:

a Rounded of 6 years

b 320

Step-by-step explanation:

See first 400/10 = 40 hence 40 painters can do it in 1 year so if 250 painters taken answer rounded to 6 years

second one since 40 painters for 1 year 320 for 8 years multiply it

Answer 2

ANSWER:

a)

PAINTERS. YEARS

400. 10

250. ?

cross multiplication

(250×10)÷400= 6.25 years

b)

PAINTERS. YEARS

400. 10

? 8

cross multiplication

(400×8)÷10= 320 painterz