Answer:
(15 - 3) ÷ 4 = 3
Explanation:
What number when divided into something will give 3. You can go through the givens.
If it is 5 then you have to have 15 inside the brackets. That is not possible with this question because you must be subtracting. So the 3rd blank can't be 5
Could the third blank be 3? Then you would need 9 inside the brackets. There is no way to get a difference of 9 with those 5 numbers. So the third blank is not 3
How about 4? That would mean that number inside the brackets would be 12. Is that possible. Good choice.
15 - 3 = 12 Now we are getting some where.
(15 - 3) ÷ 4 is your answer
= (15 - 3) ÷ 4 Subtract inside the brackets
= 12 ÷ 4
= 3 which checks.