Population of fungi in a yard produces 10 mushrooms in year 1, 20 in year 2, and 40 in year 3. if his trend continues, by year 5 there will be __________ mushrooms.
There will be 110 mushrooms I think. Year one: 10 Year two: 10 plus 10 Year three: 20 plus 20 Year four: 40 plus 30 Year five: 70 plus 40 which equals 110 mushrooms.
