21/4 or 5 1/4 because you do 3 times 7/4 and that = 21/4
It's going to be the first one...
How you solve this is just insert the number of hours you want for X then solve the equation.
15 * 1 = 15
15 + 30 = 45
15 * 3 =45
45 + 30 = 75
Answer:
81 feet
Step-by-step explanation:
10-6=4, an extra 4 ft geets added to the bush
Of we apply this to the house aswell
85-4=81
The shadow casts an extra 4 feet
To do this we will just DIVIDE. Lets Divide:-
15 ÷ 4 = 3.75
Check our work:-
3.75 × 4 =15
So, to finish 1 project you have 3.75 days.
Hope I helped ya!!