Diego owns two ice cream parlors. The 1st ice cream shop sells 5 gallons of vani

Question

Diego owns two ice cream parlors. The 1st ice cream shop sells 5 gallons of vanilla ice cream
and 8 gallons of chocolate ice cream each day. The 2nd ice cream shop sells 6 gallons of vanilla ice cream and 10 of chocolate ice cream each day. The daily sales at stores one and two can be represented by the vectors s1 = (5, 8)^T and s2 = (6, 10)^T, respectively. What interpretation can be given to the vector 15 s1?

(where ^T means to transpose)

a. 15 s1 shows the number of people that can be served with 16 gallons of vanilla ice cream
b. 15 s1 shows the gallons of vanilla and chocolate ice cream sold by store 1 in 15 days
c. 15 s1 shows the total revenue from selling 15 gallons of ice cream at store 1
d. 15 s1 shows the number of days it will take to sell 15 gallons of ice cream at store 1

Explanation / Answer

Answer : b. 15 s1 shows the gallons of vanilla and chocolate ice cream sold by store 1 in 15 days

as we are multiplying the s1 vector with 15 which is the one day sell of store 1. So 15 * s1 is 15 day sell of store 1

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