Answer:
No, they are not equivalent
Step-by-step explanation:

A scaled copy with the scale factor being 3/4 it would be smaller because it’s less than one so whenever there is a fraction that’s less than one then the shape would be smaller aswell
Answer:
3/5
Step-by-step explanation:
Step one:
given data
Amy saved 1/5
her brother 4/5
Required
How much more did her brother save
Step two:
let us subtract Amy's savings from her brother's
4/5-1/5
=4-1/5
=3/5