Answer: 7
Step-by-step explanation: Cross multiply, so 15 times x and 21 times 5. 21 times 5 is 105 then you divide by 15 which gives you 7.
Answer:
10cm2
Step-by-step explanation:
Answer:
a = 300
Step-by-step explanation:
so 5/a=60
multiply 60 by 5
Answer:
They would have about $2500 after one year
Step-by-step explanation: