Un arbol de 3 metros a una sierta hora genera una sombra de 1.8 metros de largo ¿cuanto medira la sombra de una persona de 2 metros de alto a la misma hora?

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?

What is the distance between point a and b