2. tickets to a play cost $8 each. write an
expression that gives the ticket cost in dollars
for a group of g girls and b boys.

Expression that gives the ticket cost in dollars for a group of g girls and b boys is (8g + 8b) dollars

Solution:

Given that tickets to play cost $ 8 each

To find: Expression that gives the ticket cost in dollars for a group of g girls and b boys

From given,

cost of 1 ticket = $ 8

Number of girls = g

Number of boys = b

Thus the expression can be framed for total cost as:

Total cost = (number of girls + number of boys)(cost of 1 ticket)

Thus the expression that gives total cost is (8g + 8b) dollars

a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58