3 Hours
4 People does the job in 6 hours if there are twice as many people it gets done twice as fast
Answer:
question is 2x^2+5x^2-5X^3 if the value of x=2 then we put the value of x in equation= 2(2)^2+5(2)^2-5(2)^3 =2*4+5*4-5*8 = 8+20-40 =28-40 =-12 ans
Saw A = 150 planks/30 seconds = 5 planks per second
Saw B = 130 planks/ 13 seconds = 10 planks per seconds
5 + 10 = 15 planks per second total
225 planks / 15 planks per second = 15 seconds
Answer: 15 seconds
Answer:
4.344
Step-by-step explanation:
Multiply.
Answer:
16
Step-by-step explanation:
2/0.25 = 8
2 x 8 = 16
