Answer:
18 minutes
Step-by-step explanation:
take 90 minutes try to divide it into 20 groups maybe. I hade the answer written down
Answer:64
67
Answer:1750
2, 5
10 = 2 × 5 . . . . . . both of these factors are prime
c = 2
26 - (2c + 4) = 2(c+6) + c
26 - 2c + 4 = 2c + 12 + c
26 - 4 - 12 = 2c + 2c + c
10 = 5c
2 = c