Acertain type of nuts are on sale at $0.35 per pound tamara buys 2 pound of nuts how much will the nuts cost

Those are some cheap nuts, i would advise her not to buy them because if they're that cheap something might be wrong with them.

anyways,
.35*2 = .70

2 pounds of nuts will cost $0.70

On monday,mrs.wise bought 3 lbs of apples at $4per lb= 4*3=$12on tuesday ,20%off and she buy 5 lbs of apples = $4-20%=3.20*5lb=$16example: other wise when she buy 5lbs on monday she have to spend 4*5=20