7/8+9/10=71/40=1 31/40
1/4+2/3=11/12
1/2+1/4 is different from 1/2+1/3 because
1/2+1/4= 2/4+1/4= 5/1 =1 1/4
1/2+1/3=3/6+2/6=5/6
Answer:
b
Step-by-step explanation:
Answer:
20 gallons
Step-by-step explanation:
105/15=7
7*20=140
The set X = { x , {x} } would, I think, fit the Bill
So its 2 elements
