Please help me with this.

60x0.8=48
60-48=12
12/0.4=30
30-12=18
18/0.3=60
60-18=42
42/0.75=56
The bottom diagram is 56 units

56

Step-by-step explanation:

80% of sixty is 48 so the 20% is 12.

Example:

12 is 40 percent of the next problem.

12/.4 = 3030*.6 = 18

18 is now 30% of the next strip.

18/.3 = 6060*.7 = 42

42 now is 75% of the last strip

42/.75 = 56

56 is the Answer.

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.