Answer:
5.25
Step-by-step explanation:
1. 19 + 1/4x =40
2. 1/4x=40-19
3. 1/4x=21
4. x= 21/1/4
5. x= 5.25
Answer:
x = 105°
Step-by-step explanation:
Question :

You can use cross multiplication to solve this.
Let us solve now

12 × x = 35 × 36
12x = 1260
Divide both sides by 12.
x = 105°
Hope this helps you :-)
Answer:
x = 15
Step-by-step explanation:
by solving;
- 4x + 8x +14 -14 = 180
- 12x = 180
- x = 180 / 12
- x = 15
<em>i</em><em> </em><em>hope</em><em> </em><em>it</em><em> </em><em>helped</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em> </em><em>^</em><em>_</em><em>^</em>
Answer:
312
To find the number that is 80% of 390, multiply 390 by 80%.
80% = 0.8.
390 * 0.8 = 312