Y + x + z =762500
z : x = 15/9 : 2
y : x = 1 : 3/4​

Can someone check if i did this correct. it’s number 4 if you’re wondering.

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?