If bannas cost $0.99 for the first pound and $0.49 for each additional pound how would express the total cost of banana given that you purchase 7 pounds.

$3.93

Step-by-step explanation:

0.99+(0.49*6)

0.99+2.94

3.93

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%

$18 was the price of the t-shirt

step-by-step explanation: