fffffffffff ffffffffffff ffffffffffffff ffffffffffff fffffffffff fffffffffffffffff
Step-by-step explanation:
Answer:

Step-by-step explanation:
Step one:
given
cost per drive= $20
additional fee per person= $4
let the number of persons be p
and the total cost be C
The total cost function is expressed as

Step two:
Required:
<u><em>We want to make P subject of the cost function </em></u>
Take 20 to the other side we have
C-20=4p
divide through by 4
P=C-20/4
simplify
P=C/4-5

Answer:
3/5 books
Step-by-step explanation:
Divide 9 by 15 to get 0.6
0.6=3/5
For solving varible's and for real life questions.
EXAMPLE when you want to figur out what does X eqles
X×4=12 you have to take 12÷4 and that eqles 3
5/6 of a mile because 5/12+5/12=10/12 or 5/6