Answer:
28.3
Step-by-step explanation:
9x3.142=28.27800 and if you round that it is 28.3
Answer:
26
Step-by-step explanation:
5 × 4 = 20 (rectangle)
8-5 = 3 (triangle)
3×4÷2 = 6
20+6 = 26
Answer:
131
Step-by-step explanation:
Using proportion,
If Out of 550 calculators = 6 are defective,
Then out of 12000 calculators = ? are defective

= 21.8 * 6
= 130.8 ≈ 131
∴ Approximately 131 calculators are defective
Answer:
4
Step-by-step explanation:
5 divided by 3 times
5/5/5=.2
.2*20=4