Ethan has $18. Wesley has $5
y more than Ethan. Seth has $2
y less than Wesley.
- Find the amount of money that Seth has in terms of y.
- Find the total amount of money that the three boys have in terms of y.
- If y = 7, how much does Seth have?
(a)
Amount that Ethan has = $18
Amount that Wesley has = $(18 + 5
y)
Amount that Seth has
= 18 + 5
y - 2
y = $(18 + 3
y)
(b)
Total amount that the three boys have
= 18 + 18 + 5
y + 18 + 3
y= 18 + 18 + 18 + 5
y + 3
y = $(54 + 8
y)
(c)
Amount that Seth has
= 18 + 3
y= 18 + 3 x 7
= 18 + 21
= $39
Answer(s): (a) $(18 + 3
y) or $(3
y + 18); (b) $(54 + 8
y) or $(8
y + 54); (c) $39