Answer:
Step-by-step explanation:
42 × 48
(40 + 2) × (40 + 8)
40 × (40 + 2) = (40 × 40) + (40 × 2) = 1600 + 80 = 1680
8 × (40 + 2) = (40 × 8) + (2 × 8) = 320 + 16 = 336
Then 1680 + 336 = 2016
Answer:
4:14, 6:21, 8:28
Step-by-step explanation:
2x2=4 2x7=14 = 4:14
2x3=6 3x7=21 = 6:21
2x4=8 4x7=28 =8:28
Answer:
0.1656 or 25/151
Step-by-step explanation:
50/302
Answer: (10 2/3, 5)
Step-by-step explanation: