Question

20a + 158 +6c = 20 (6) + 15 (4) + 6(8)
+
?
+
?

Answer 1

Explanation:

20a + 158+6c=you will expand the brackets

= so it is 120+60+48

20a+158+6c=120+60+48

20a+ 6c=120+60+48-158

20a+6c=70

20a divide by 20+6c divide by 6 on both side

a + c = 0.58