Marcus and some friends want to buy fruit smoothies. The boys go to the shop that advertises a sale of 2 fruit smoothies for $5. Suppose Marcus and his friends but 8 smoothies.

$20

Step-by-step explanation:

Given

Price of 2 smoothies = $5

We are to calculate the price of 8smoothies, say;

8 smoothies = $x

Divide both equations

2/8 = 5/x

Cross multiply

2x = 8×5

2x = 40

x = 20

Hence the price of 8 smoothies is $20

hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2