Answer:20÷100×23
Step-by-step explanation:
20 percent is 20÷100 and to find 20 percent of 230 we have to multiply 20 percent by 2
Answer:
2.8- 4.4n- 2n + 7 = -6.4n + 9.8
combined like term:
-4.4n - 2n = -6.4n
2.8 + 7 = 9.8
so all you do is combined together and got -6.4n + 9.8
solving steps:
13, 17, 19, and 23
13+17+19+23=72