just write the words as math. If the tens digit is t and the units digit is u, then:
t = 2u+2
10u+t = 5+3(t+u)
solve for t and u
Tony asked his friend to guess his mathematics test score. He gave these hints to help his friend guess:
-It has two digits
-The digit in the tens place is two more than twice the digit in the ones place.
-The number formed by reversing the order of the digits is 5 more than 3 times the sum of the digits.
What was his test score?
Answer is 83, but i'm not sure how it is worked out.
2 answers
-It has two digits
_ _
-The digit in the tens place is two more than twice the digit in the ones place.
41 or 62 or 83
-The number formed by reversing the order of the digits is 5 more than 3 times the sum of the digits.
_ _
-The digit in the tens place is two more than twice the digit in the ones place.
41 or 62 or 83
-The number formed by reversing the order of the digits is 5 more than 3 times the sum of the digits.
2 answers