70 = 1 x 70, 2 x 35, 5 x 14, and 7 x 10. It is usually written as 1,2,5,7,10,14,35,70
86 = 1 x 86 or 2 x 43. It can be written as 1,2,43,86
154 = 1 x 154, 2 x 77, 7 x 22, 11 x 14. Can be written as 1,2,7,11,14,22,77,154
238 = 1 x 238, 2 x 119, 7 x 34, or 14 x 17. Can be written as 1,2,7,14,17,34,119,138
Assume x and y are the two numbers :
x + y = 80 - - - - (a)
Also, we know that x = y - 18
Replace the values of x in (a)
y - 18 + y = 80
2y = 98
y = 49
x = 49 - 18 = 31
Hope that helps & good luck
Answer:
#9 is 3
#19 0.56
#20 0.63 :)
Step-by-step explanation:
18/12 as a mixed number= 1 6/12
1 7/8 as an improper fraction= 15/8
