The gasoline gauge on a van initially read one fourth 1 4 full. when 1010 gallons were added to the tank, the gauge read two thirds 2 3 full. how many more gallons are needed to fill the tank?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

Anyone know these questions? i need ,.

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2