Asked by Anonymous
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.
-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.
Answers
Answered by
Steve
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
t = 2u+2
10u+t = 5+3(t+u)
solve for t and u
Answered by
Ms. Sue
-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.
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