Let the number her brother has = x
She has 5 times as many so she has 5x
Together they have 42:
X + 5x = 42
Add x and 5x to get 6x:
6x =42
Divide both sides by 6:
X = 7
The brother has 7
Carla has 5*7 = 35
Answer: Carla has 35 notebooks
Answer:
f^-1(x)=w-3
Step-by-step explanation:
1. switch c with f
f=w+3
2. switch w and f
w=f+3
3. solve for f
f=w-3
4. Switch f with f^-1(x)
f^-1(x)=w-3
Answer:
20/100
= 0.2
0.2 x 20
= 4
4 of the shops are ice cream shops.
Step-by-step explanation: