Hannah is 10 and 3/4 years old
Step-by-step explanation:
Answer:
first one is simnple cross multiply and divide
12*7=4x
84=4x
x=21
2nd same process but more steps
7x=5(x+8)
7x=5x+40
7x-5x=40
2x=40
x=20
Step-by-step explanation:
You can use keep it change it flip it and do:
7/10•9/5=63/50= 1 3/50
7•9=63
10•5=50
Hope this helped
Answer:
Step-by-step explanation:
2400feet=1minute
6000feet=6000/2400minutes
=20/8minutes
=2 1/2minutes