If you would like to solve 1/4 * 4/7, you can do this using the following steps:
<span>1/4 * 4/7 = (1 * 4) / (4 * 7) = 4/28 = 1/7
</span>
The correct result would be 1/7.
$8.40 is the amount to be subtracted from the $42.00. If you multiply
20% (.20) by $42.00 you get $8.40. To get your final price subtract
$8.40 from $42.00 to get you final answer. I hope that helps.
Answer:
Step-by-step explanation:
tvtr tStep-by-step explanation:
The probability of choosing one of them is 2 / 80 .
the probability of choosing
the other one is 1 / 79 .
The probability of both things happening is
(2/80) x (1/79) = 1/3160