First add the numbers in the parenthesis, (65 + 7) Which gets you 72. Now your problem is 2 + 72 x 3. PEMDAS. Next comes the Multiplication, 72 x 3, which is 216. then add 2 = 218
Hi, there! Remember PEMDAS! So you'd start with Parenthesis (the big P.) Then that leaves you with 65 + 7 which is 72. Now you have 2+72x3 It would definitely bring you to your next step which would be multiplication! Which leaves you with (2+) 72x3= 216. Lastly, you're left with the pesky 2! If you add 2 to 216 - you're left with 218 which is your final answer! I hope this helped! (: Good luck, rockstar!
So basically we know that three problems were 8% of the test, or one problem is 2.67 of the test. Now just divide 100 by 2.67 to get how many questions are in the test. It's around 37 questions.
The answer is there are no solution that fulfill this equation because if you put for example -14 the answer will be -8 but there is absolutely sign, so the answer is 8. Hope it help!