Answer:
Step-by-step explanation:
hello :
y=6x...(*)
y = 5x + 7...(**)
by (*) put the value of y in(**) :
6x=5x+7
6x-5x=7
x=7 but y=6x so : y=42
the system solution is (7,42)
11.64
100%-> 48
15%-> 7.20
6.25%-> 3
48+7.20+3=58.20
58.20÷5=11.64
12.
46.68 ÷3=15.56 each because it's being split by 3
