Item 14 On the first day of climbing, you climb 1/3
of the height of a mountain. On the next day, you climb 2/7
of the height. How much of the height of the mountain do you climb during the first 2 days?

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?