Tina uses a $50 gift certificate to buy a pair of pajamas for $17.97, a necklace for $25.49, and 3 pairs of socks that each cost the same amount. tina has to pay $0.33 because the gift certificate does not cover the total cost of all the items. how much does each pair of socks cost?

$2.18

Step-by-step explanation:

Total amount spent by Tina= $50+$0.33=$50.33

Cost of pajamas=$17.97

Cost of necklace=$25.49

Cost of 3 pairs of socks=

Thus, cost of 3 pairs of socks= $6.54

Now, cost of 1 pair of socks=

Hence the cost of each pair of socks =$2.18

step-by-step explanation: a reaction is first order. if the initial reactant concentration is 0.0200 m, and 25.0 days later the concentration is 6.25 x 10-4 m, then its half-life is:

i don't see any

step-by-step explanation: