90 because if his dog ate half his cards and benny had 45 left that means 45 times two equals 90 because the dog ate HALF of 90
.6k+.9=1.6
.6k=.7
k=7/6= 1 1/6
k= 1 1/6
Hope this helps.
24/72
Simplify the fraction, by dividing out the GCF: 24
<u>24/24
</u>72/24
1/3
I'm not too sure about this one but if you find 3% of $200 you get 6 and if you multiply that by 2 ( for the 2 years ) you'll get ( A $12 )
A because -1/4x is your slope and the +5 would just be shifted over to the 5 on the y-axis
