There are some bicycles and 4 tricycles in the park. There are a total of 28 wheels. How many bicycles are there? Number of Tricycle wheels → 4 x 3 = 12 Total number of bicycle wheels → 28 – 12 = 16 Number of bicycles → 16 ÷ 2 = 8 There are 8 […]
Yenni is 8 years old this year. In 3 years time, Peter will be twice as old as she is. How old is Peter now? 3 + 8 = 11 11 x 2 = 22 22 − 3 = 19 Peter is 19 years old now