Answer:
a) 1.5
b) j = 13.5
Explanation:
a) Let the unknown number be x
To calculate the value that we will multiply by 3 to give 4.5, we can express this mathematically as;
x × 3 = 4.5 where x is unknown
Dividing both sides by 3;
x = 4.5/3
x = 1.5
The value that we will multiply with 3 to give 5 is 1.5.
b) Given the equation j/3 = 4.5,
To solve for j, we will cross multiply the equation to have;
j = 3×4.5
j = 13.5
