in the land of never-never a witch decided to visit three of her friends she carries seven apples in her basket to reach he r first friend she has to cross a maggic river after she cross the river the number of apples in her basket doubles she then gave her first friend acertian numder of apple from her journey and cross the second river the number of apple she cross the third magic river again the number of apple now left also double she visit the third friend and gave the same number of apple out this time there are no apples left.
write down the the mathematical equation for this show all steps
find the value of the apples gave out to each friend.
how many apples in all didshe gave out