If you need an equivalent expression just make a simple problem like 30+4=4+30 then add all the complicated stuff needed to complete the problem <span />
Answer:
1. 21+5f = 61
2. 18+5n=50.50
3. 40+30s=220
Step-by-step explanation:
1. SUM of 21 and 5 TIMES a number f is 61
From that sentence, sum means addition and times is multiplication, so:
21+5f = 61
2. Let's identify the given:
Monthly fee: 18
Cost of each call: 5
Variable that symbolizes the call: n
Total cost this month: 50.50
Thus, 18+5n=50.50
3. Identify the given:
Charge of tutor: 40
Charge of tutor every student: 30
Variable representing the number of students: s
Total charge: 220
Thus, 40+30s=220
<span>STP
signifies standard temperature and pressure. This conditions are at 1
atmospheric pressure and 0 degrees Celsius. It has been said that at these
conditions, one mole of a gas molecule is equivalent to 22.4 liters of volume.
1.50 mol Cl2 ( 22.4 L / mol ) = 33.6 L Cl2 </span>
The tax would be A.
.
i hope this helps have a nice day
Answer:
5:9 | 5/9 | 5 to 9
Step-by-step explanation:
you can choose any form
