Answer:
Step-by-step explanation:
do 10 then plus 20 = 20
17/80
maths and subtraction and gcf and lcm and whatnot
x + 4 < 9 ...subtract 4 from both sides
x < 9 - 4
x < 5....x is less then 5
solutions are : 0 and 4.....ur answers are A and D
