trei numere naturale au suma 162. micsorand cu 10 jumatatea primului numar, micsorand cu 20 jumatatea celui de al doilea numar, micsorand cu 30 jumatatea celui de a treilea numar, se obtin numere egale. afla numerele.

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?