UKMT Pink Kangaroo, 2020

Algebra Difficulty 1.0 Junior Find the answer United Kingdom

In the calculations shown, each letter stands for a digit. They are used to make some two-digit numbers. The two numbers on the left have a total of $79$ . What is the total of the four numbers on the right?

(A) $79$ (B) $158$ (C) $869$ (D) $1418$ (E) $7979$

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