Answer:
1. 120 o 88
Step-by-step explanation:
8(6)+40=88
8(10)+40=120
If you use any value to X the answers will be the same in both cases
Do a proportion
60/100= x/54
Cross multiply and divide
54 x 60= 3,240
3,240 divided by 100 is 32.4
Now subtract
54- 32.4= 21.6
Answer is $21.6
Answer:

Step-by-step explanation:
we know that
using proportion

9 + 0.5n = 35
0.5n = 35 - 9
0.5n = 26
n = 26 : 0.5
<u><em>n = 52</em></u>
Answer:
The first one isnt equivalent
Step-by-step explanation: