Answer:
Step-by-step explanation:
common difference d=3-1=2
first term a=1
an=a+(n-1)d
2n-1=1+(l-1)2
2n-1=1+2l-2
2n-1=2l-1
l=n
(i used l for number of terms)
number of terms=n

Because there's times when u need to double for instance a cup so u have to add one morecup
Answer:
47.56
Step-by-step explanation:
i know
Answer:
12x+25
Step-by-step explanation:
19x-7x+25=12x+25