Answer:
30%
Step-by-step explanation:
10-7=3
3/10×100
=30%
Three main methods come to mind: Substitution method, Elimination method, Matrix row-reduction.The first two methods are taught in early grades in most high schools. Matrix row-reduction is taught in senior years in high school, or more likely, in the early years of a university math or science program.
The answer is 171 your welcome
