Electrons protons and neutrons
What's the issue? You gave the possible answers but that's about it.
Answer: 7.5 items
Step-by-step explanation:
Both Karen and James had 30 stocking items.
Karen bought 35% of her items;
= 35% * 30
= 10.5 items
James has bought 60%;
= 60% * 30
= 18 items
= 18 - 10.5
= 7.5 items
17 tens can be said as 17 x 10
So 17 x 10 is 170
170 is in standard form
