Answer:
4) 0.425, 17/40, 42.5%
5) 0.875, 7/8, 87.5%
Explanation:
4) 17/40= 0.425, 17/40 is simplified to the lowest form already, and (0.425x100)x 1/100
5) 35/40=0.875, 35/40=7/8, and (0.875 * 100) * 1/100= 87.5%
i hope htis helps sorry if i got anything wrong