1/10 of a number is 63. Then the number is
500
540
600
630
Three times a number is 60. Then the number is
63
57
180
20
Three times the difference of x and y.
3 x - y
3 - x - y
xy - 3
3 (y - x)
Write an algebraic expression for numbers x and y both squared and added.
2 (x + y)
x + y
x2 + y2
2 x + y
The sum of 5 times x, 3 times y and 7
5 (x + 3 y + 7)
5 x + 3 y + 7
5 x + 3 (y + 7)
5 x + 3 (7 y)
Three sides of a triangle are x - 1, x + 5, 4 x + 1. Find the perimeter of the triangle.
4 x + 5
4 x + 6
6 x + 5
6 x + 6
Product of p and q added to the product of 2 and x.
P + q + 2 + x
P + q + 2 x
Pq + 2 + x
Pq + 2 x
If P + 3 = 9 then P is
12
6
3
2
If 7 (x - 9) = 35, then x is
5
-4
14
37
One half of the sum of numbers a and b.
1/2 (a+b)
1/2 a + b
1/2 (a-b)
1/2 + a + b
