Answer:
a) 15:18, 10:12, 20:24
b) 56:84, 14:21, 2:3
c) 68:130, 136:260, 170:325
Step-by-step explanation:
a) multiply 5 and 6 by 3
multiply 5 and 6 by 2
multiply 5 and 6 by 4
b) multiply 28 and 42 by 2
divide 28 and 42 by 2
divide 28 and 42 by 14
c) multiply 34 and 65 by 2
multiply 34 and 65 by 4
multiply 34 and 65 by 5
