Answer:
5/8+3/4-2/3-5/6
= ( 5/8 + 3/4 ) - ( 2/3 + 3/4)
= ( 11/8) - (17 /12)
= 11/8 - 17/12
= 33-34 /24
= -1/24 (ans)
Hope it helps
6) the number of glasses is 5 times the number of boxes.
7) robert is incorrect as he only needs 24 boxes to pack 120 glasses, because 120/24=5
The equation shown above does not show the substitution property. Instead, it shows the Addition Property of Equation where 3 is added to both of its sides. This is shown below,
4x - 3 = 7
4x - 3 + 3 = 7 + 3
4x = 10