Katie buys a bag of mixed buttons. In the bag there are 15 buttons, in which 80% of them are small buttons. How many small buttons did Katie have?

There are 12 small buttons.

Step-by-step explanation:

If you calculate the percent of small buttons from the total amount, you will come up with 12 small buttons. However, if you were calculating the other 20% of buttons, you would get an answer of 3 large buttons which is just extra steps to find your answer. Hope this helps :)

15% chance.

step-by-step explanation:

3/10 times, the 5 year old will get a tablet. 5/10 times, the 13 yer old will get a tablet. multiply both fractions to get 15/100 times, both would have a tablet.

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94