40% of 200 is 80 so 120 were sold at the door
Answer:
4.5
Step-by-step explanation:
Answer:
6.2
Step-by-step explanation:
First you need to follow order of operations, so you do division first (4.2/0.7), which leaves you with 6. Then you just complete the equation from left the right as normal, which leaves you with 6.2.
Answer:
x = 9
Step-by-step explanation:
5x -11 (+11) = 34 (+11)
5x = 45
5x ÷ 5 = 45 ÷ 5
x = 9
Answer:
1.805 × 10^7
Step-by-step explanation: