Take the first 9 is in yours tens place so you want to take the second 9 and round up because anything 5 or more goes up and 4 or less stays the same
16 - 7 is 9
9 x 2 is 18
His weekly allowance is 18
Answer:
Multiplicative Identity Property
Step-by-step explanation:
310 - 220 = 90
90/310 = x/100 (cross multiplication)
9000 = 310x
9000/310 = x
x = around 29%