Which expression represents the following statement? The quotient of 16 and 4 times 7 less than 11. 16 x (4 ÷ 11) + 7
16 ÷ 4 x (11 − 7)
11 ÷ 16 − (4 + 7)
16 x (11 + 4) + 7

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale

The relative growth rate for a certain type of fungi is 60% per hour. a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture. what is the initial number of fungi in the culture?