Brenda needs $40 to buy a large box of chocolate. she has saved $12 and plans to work as a babysitter to earn $7 per hour. which inequality shows the minimum number of hours, n, that brenda should work as a babysitter to earn enough to buy the large box of chocolate? 12 + 7n ≤ 40, so n ≤ 4 7n ≤ 40 + 12, so n ≤ 7.4 12 + 7n ≥ 40, so n ≥ 4 7n ≥ 40 + 12, so n ≥ 7.4

tickets for the harlem globetrotters

show at michigan state university in

2010 cost $16, $23, or, for vip seats, $40.

total revenue = 16x + 23y + 40z

if 9 times as many $16 tickets were sold

as vip tickets,

x = 9z => x – 9z = 0, if 9 times as many $16 tickets were sold

as vip tickets,

x = 9z => x – 9z = 0, sales of all three kinds of tickets would

total $46,575.

16x + 23y + 40z = 46575, how many of each kind of ticket would

have been sold?

solve for x, y and z

x − 9z = 0

x − y − z = 55

16x + 23y + 40z = 46575

x = 1170

y = 985

z = 130

welcome!

chiken

step-by-step explanation: