1.
Write an equation for ''5 times a number increased by 30 is 65.'' Then solve.
A.
n
= -215
B.
n
= -19
C.
n
= -7
D.
n
= -130
Hint
2.
Translate the following sentence into an equation. Nine is the sum of 1 and two times a number.
A.
9 = 2 +
n
B.
9 = 1(2
n
)
C.
1 = 9 + 2
n
D.
9 = 1 + 2
n
Hint
3.
Translate the following sentence into an equation. The difference between 4 and five times a number is -1.
A.
4 - 5
n
= -1
B.
4 + 5
n
= -1
C.
-5
n
- 4 = -1
D.
5
n
- 4 = 1
Hint
4.
Translate the following sentence into an equation. Then find the number. Five times a number less than 18 is equal to 13.
A.
18 - 5
n
= 13; 1
B.
18 - 5
n
= 13; -1
C.
5
n
- 18 = 13; 6
D.
5
n
- 18 = 13; -6
Hint
5.
Lis cell phone service costs her $9.95 per month plus 5 cents per call. If Lis bill after one month is $12, how many calls did she make? Find an equation representing the situation. Then solve the equation.
A.
9.95 + 0.05
c
= 12; 4
B.
9.95 + 0.5
c
= 12; 4
C.
9.95 + 0.05
c
= 12; 41
D.
9.95 + 0.5
c
= 12; 41
Hint