2x+4 I believe (I’m trying to make this 20 characters)
Answer:
3) a<5
5) z≤2
Step-by-step explanation:
3) a/5<1
a<1x5
a<5
5) 5(z+6)≤40
5z+30≤40
5z≤40-30
5z≤10
z≤10÷5
z≤2
Answer:
10text=5weeks
by dividing both sides by5
2text=1week
1week=2text
by multipy both sides by 7
7weeks=14exams
so he will take 14exams in 7 weeks
3 is what percent out of 8
Can also be written as 3/8
To turn a fraction into a percentage, divide the numerator by the denominator and them multiply by 100
3/8 = 0.375
0.375 x 100 = 37.5
37.5%