Astore is having a sale on chocolate chips and walnuts. for 3 pounds of chocolate chips and 5 pounds of walnuts, the total cost is $24. for 9 pounds of chocolate chips and 7 pounds of walnuts, the total cost is $42. find the cost for each pound of chocolate chips and each pound of walnuts.

cost/lb of walnuts=$1.25

cost/lb of chocolate chips=$9.75

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

the formula of a slope:

we have the points (-2, 7) and (2, 3). substitute: