Nuts. com sells raw almonds for $10 per pound and roasted pistachios for $12 per pound. christopher spends $70, before taxes and shipping, to purchase 6.3 total pounds of nuts. let a represent the number of pounds of almonds and let p represent the number of pounds of pistachios. which system of equations represents the situation?
question 1 options:

{10a+p=70
a+70p=6.3

{10a+12p=70
a+p=6.3

{10a+12p=6.3
a+p=70

{10a+12p=70
10a+12p=6.3