Answer:
29. A) 8+0.40x≤12
B) x≤10
C) a number line with points at 0 and 10, filled in
30) A) 2x≤18
B) x≤9
C) a number line with points at 0 and 9, filled in.
Explanation:
29. A) 8+0.40x≤12
B) 0.40x≤12-8
0.40x≤4
x≤10 They can have up to 10 toppings
C) a number line with points at 0 and 10, filled in
30) A) 2x≤18
B) x≤18÷2
x≤9 He can drive up to 9 hours.
C) a number line with points at 0 and 9, filled in.