There were 60 children at the birthday. If 1/4 of them were boys how many were
boys?

15

Step-by-step explanation:

60 x 1/4 = 60/4 = 15

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%

i can you with this sweetie!

step-by-step explanation: