Answer:
16.5+13.6+12.4.17.7= 60.2
60.2÷4 =15.05
<em>Answer:</em>
<em>n = 12</em>
<em>Step-by-step explanation:</em>
<em>85%×n = 10.2</em>
<em>85n/100 = 10.2</em>
<em>85n = 1020</em>
<em>n = 1020 : 85</em>
<em>n = 12</em>
Answer: a^-4
Step-by-step explanation:
= a^-4
Answer
the first one is 2/3 and the second is 1/4 the other i'll comment a little later
Step-by-step explanation: