Answer:
the thirs one
Step-by-step explanation:
The formula for percent of increase/decrease:
difference in original and new/original x 100
17926-12475/12475=
5451/12475=
.4369
x 100=
43.7% increase
Answer:
x = 81/4
Step-by-step explanation:
multiply both sides by 4
4x + 15 = 96
subtract 15 from both sides
4x = 81
divide both sides by 4
x= 81/4
i hope that's right
Part A = She incorrectly add 1 (4/4) with 3/4, so instead of getting 7/4 she got 8/4.
Part B=She needs 28/4 (7) cups for 4 batches because 4/1x7/4=28/4.