 
 <prompt> Miriam ta yi wannan matsala don haka ta koma da ayyukan da ta yi a matsayin cikin zama. A ranar Litinin ta yi 5 push-ups. A ranar Talata ta yi 7 push-ups. A ranar Laraba ta yi dubu biyu da push-ups da ta yi a ranar nan. A ranar Alhamis ta yi nisa'in lambar total push-ups da ta yi a watan. A kan Jumma'a ta yi daidai da lambar total push-ups da ta yi a ranar biyu da suka gabata. Me ya faru ne a ranar Jumma'a? <response>: A ranar Litinin, Miriam ta yi 5 push-ups + 7 push-ups a ranar Talata = 12 push-ups a cikin rana.
A ranar Alhamis ta yi goma da dubu push-ups da ta yi a ranar Talata, 7 x 2 = 14 push-ups a ranar Alhamis.
A cikin rana uku na farko, ta yi jumla da 14 + 12 = 26 push-ups
A ranar Alhamis, Miriam ta yi 1/2 daga jumla na pushups da ta yi a wannan shekara, saboda haka ta yi 1/2 x 26 = 13 pushups a ranar Alhamis.
A ranar Jumma'a ta yi jumla da abin da ta yi a ranar biyu na gaba, saboda haka ta yi 5 + 7 + 14 + 13 = 39 push-ups a ranar Jumma'a.

Javobi shine 39. 