steveopolis
New member
- Joined
- Jun 7, 2018
- Messages
- 37
ratios: equal or not equal: 4.5/9 and 24/48, I say "yes", key says "no"
Use cross-multiplication to determine whether the ratios are equal:
4.5/9 and 24/48
4.5 x 48 = 216
9 x 24 = 216
I said yes.
Answer key says no.
7/63.5 and 5.6/51
7 x 51 = 357
63.5 x 5.6 = 355.6
I said no.
Answer key says yes.
Use cross-multiplication to determine whether the ratios are equal:
4.5/9 and 24/48
4.5 x 48 = 216
9 x 24 = 216
I said yes.
Answer key says no.
7/63.5 and 5.6/51
7 x 51 = 357
63.5 x 5.6 = 355.6
I said no.
Answer key says yes.