Y = 3
If you'd like an explaination, please, ask.
I just don't want to write all of the steps out -- yey, apathy.
Answer:
b = 
Step-by-step explanation:
35b = 7
Divide both sides by 35.

Reduce the fraction
to the lowest terms by extracting and canceling out 7.

Hope it helps and have a great day! =D
~sunshine~
Answer:
The groups walking speed is
or 
Step-by-step explanation:
we know that
To find the speed divide the distance by the time
so

Convert to mixed number

Your answer is 250
Step-by-step explanation:
10 x 5. Multiply that.
Then multiply your final answer of 50.
250.
Answer:
1. She must collect 45 more skins.
Step-by-step explanation:
300/100 = 3
3 = 1%
50 x 3 + 150
35 x 3 + 105
150 - 105 + 45