Answer:
595 pairs of tyres are defective.
Step-by-step explanation:
4.25×28000
____
100
0.0425×28000
1190 Total no. of defective tyres
1190 divide total tyres by 2 to get the exact pairs of defective tyres.
____
2
595 tyresof shoes are defective.
Answer:
Step-by-step explanation:
12P3 = 12! / (12-3)!
= 12*11*10
= 1320.
8C7 = 8!/7! *(8-7)!
= 8.
Answer:
1050
Step-by-step explanation:
I'm pretty positive it would be 1050 by multiplying 50 and 20 and adding 50