Answer:
a. 
b. 0.7
c. 0.7=70%=
Step-by-step explanation:
70% of 100 received an A, that is 70/100 times 100 equal to 70

a. 70% = 
b.
= 0.7
Notice that 70/100 is equal to 7/10 which is 0.7
c. 0.7=70%=
Answer:
− 1049
Step-by-step explanation:
-13.62-(27.9)
Primero los paréntesis:
-13.62-243
Luego continuamos por las multiplicaciones:
-806 - 243
Finalmente obtenemos:
− 1049
Espero te ayude :)
So -x can also represent -1
You want to divide both sides by -1 so you can get -x to be just x
-x divided by -1 = x
-24 divided by -1 = 24
Your answer is x=24