1.
Three more than the product of 6 and a number is 51. Write an equation and find the number.
A.
6 +
n
+ 3 = 51; 42
B.
3
n
(6) = 51;
C.
3 + 6
n
= 51; 15
D.
6
n
+ 3 = 51; 8
Hint
2.
Find a solution to the equation using guess-check-and-improve.
t
· (
t
+ 8) = 4,473
A.
t
= 61
B.
t
= 62
C.
t
= 63
D.
t
= 59
Hint
3.
Find a solution to the equation using guess-check-and-improve.
8
b
+ 17 = 41
A.
b
= 1
B.
b
= 18
C.
b
= 3
D.
b
= 17
Hint
4.
Find a solution to the equation using guess-check-and-improve. Give the solution to the nearest tenth.
k
· (18 +
k
) = 67.84
A.
k
= 13.2
B.
k
= 9.8
C.
k
= 3.2
D.
k
= 13.5
Hint
5.
Which equation would it be easiest to solve using the guess-check-and-improve method?
A.
(10 –
y
) ×
y
= 77
B.
36 · (5
y
+ 20) = 146
C.
D.
19 = 53 + 31
y
Hint