Write and solve a proportion to answer the question. 42 is what percent of 80?
42
р
100
80
p= %

the ans. is 52.5 percent

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%

no solution

step-by-step explanation:

there is not enough information in the problem to solve.