Slope= y2-y1 / x2-x1
slope = 15 - (-1) / 3- (-1)
slope = 16 / 4
slope = 4
the giraffe is 18 feet tall.
Given, 18 pumps----2170 tonnes----10*7 hrs.
So, 16 pumps-------2170 tonnes----10*7*18/16 hrs.
And, 16 pumps-------1736 tonnes----10*7*(18/16)*(1736/2170)hrs. = 63 hrs.
So, no. of days req.= 63/9 = 7 days
Answer:
1919=0+1+0+1=2
Step-by-step explanation: