3x28=84
Step-by-step explanation:

so,

it equals 12.49 or 12.5 depending on rounding
I hope this helps!
He bought 4 cards for $4 so that's 16 he put 20 in each that's 80 and 70 x 4 is 1,400 so all of that in total would be 1,436, correct me if I'm wrong, and if you're too lazy to read than, the answer is 1,436
Answer:
Step-by-step explanation: