4
What is the value of the expression
(314)
O
A. 3
OB. 12
O c. 27
OD. 81

they sell 240 sw =)))

Step-by-step explanation:

x= the number of b water they sold

y= the number of sw they sold

because they sold a total of 390 items => x+y= 390   (1)

because they sold water for $2 a bottle and the sandwiches for $4 each => 2x + 4y= 1260   (2)

(1) and (2) => x=150 ; y=240.

i hope this will help you =)))