Medium
Find the number which when added to itself 15 times gives 176?
Explanation
Explanation
Step 1: Let the number be x. 'Added to itself 15 times' means x is added 15 more times to itself, i.e. x + 15x = 16x. Step 2: 16x = 176, so x = 176 ÷ 16 = 11. So the number is 11.
PRO TIP
Re-check your working by substituting the answer back into the original question.