What is the unknown digit?

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If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10