A variable is the unknown amount ojj
Answer:
first we will make them like fractions
so 1/5= 2/10 so it will be
2/10+3/10= 5/10
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1.
25%
.3 + .2 + .15 + .1 = .75
1.00 - .75 = .25
2.
120 students
There are 400 total students
.3 * 400 = 120
4.
tennis-
.1 * 400 = 40 students prefer tennis
football-
.25 * 400 = 100 students prefer football
140 students like football/tennis
5.
400 students
There are four quarters in a whole
.25% = 100
100 * 4 = 400
Answer:
see in pdf the solution is there.
Step-by-step explanation:
Answer:
111
Step-by-step explanation:
