Jiksha

The percent y (in decimal form) of battery power remaining x hours after you turn on a video game controller is y = -0.05x + 1. After how many hours is the battery power at 45%?

The table shows the balances (in dollars) of two accounts earning simple interest for x years. After how many years (total) will the accounts have the same balance? x Account A Account B 0 250 295 1 255 297 2 260 299 3 265 301 4 270 303

A small plane takes off and heads directly upwind to an airport 40 miles away. It takes 30 minutes to get there. The return trip takes 20 minutes. What is the speed of the wind in miles per hour

Investment. Part of $25,000