Answer:
z is equal to 18.5
Step-by-step explanation:
When an equation is in the format a/b = c/d, the quickest way to simplify it is to cross multiply. Each side is multiplied by the other sides denominator, eliminating the division:

So z is equal to 18.5
The red pencil is 6 and the blue one is 3 so blue +blue(3+3)=6
Answer:
the answer is -3. Your welcome
Answer:
It is a 40% increase
Step-by-step explanation:
So first of all the formula is
New-old/old
Or rate of change/ original
SO th new is 350
THe old is 210
350-210=140
140/350 which is old is 2/5
2/5 is 40 percent
So 40 percent increase