3x2-17 ; x=5
58
At the diner, I ordered a sandwich (S) and a drink (D).
The sandwich costs 5.50 and the drink costs 1.00
I order the same thing for my friend to-go, which can be represented by the expression:
2(S + D)
How much money did I spend in total?
$13
17
3y ; use y =3
9
At the bookstore, I bought a notebook (N) and a pen (P).
I bought the same items for my friend as well, represented by the expression:
2(N + P)
How much money did I spend in total?
$9.00
10(x2); when x = 2
40
t÷18 ; t = 0
0
At the game store, I bought a game (G) and a controller (C).
I bought another game and controller as a gift for my cousin, which can be represented by the expression:
2(G + C)
How much money did I spend in total?
$80.00
x3 + x + 5; when x = 3
35
(5y - y)÷2 ; y = 6
(30 - 6)/2 = 24/2 = 12
At the sports store, I bought a soccer ball (B) and a pair of cleats (C).
I bought these same items again for my sibling, represented by the expression:
2(B + C)
How much did I spend in total?
$130.00
a2 + b2 + c2 ; when a = 1. b = 4, and c = 6
53
(50 + g)÷g ; g = 10
6
At the craft shop, I bought a sketchbook (K) and a set of paints (P).
I decided to buy another sketchbook and paint set for a friend, which can be represented by the expression:
2(K + P)
How much did I spend altogether?
$61.00