Hi there
Part a
49.98−49.98×0.5
=24.99
Part b
49.98−10
=39.98
Hope it helps
Step-by-step explanation:
Supplementary angles add up to 180°

I’d say 6 I’m not very sure
Answer:
Increase: 1.7
Decrease: 0.3
Step-by-step explanation:
Increase:
100% + 70% = 117%
117/ 100 = 1.7 (multiplier)
Decrease:
100% - 70%= 30%
30/ 100 = 0.3 (multiplier)
Answer:
15%
Step-by-step explanation:
24/160 = 0.15
0.15*100 = 15