Answer:
Step-by-step explanation:
f(1)=-11
f(n)=f(1)+d(n-1)
so d=22
f(n)=f(n-1)+22
Divide 132 with 12
132/12 = 11
11 trays are needed to make 132 biscuits
hope this helps
Answer:
1/10
Step-by-step explanation:
If she painted 1/20 of a fence in 1/2 hour she can paint another 1/20 of the fence in another 1/2 hour.
1/20 + 1/20 = 2/20 = 1/10
4 3/4 is a mixed number because it consists of a whole number and a fraction.
