Answer:
a
Step-by-step explanation:
Answer:
C=15
Step-by-step explanation:
Equation: (7c-7)+(6c-8)=180
180 because a STRAIGHT LINE is 180degrees
Then you do 'math'
(7c+6c)-15=180
13c=195
c=15
Answer:
20%
Step-by-step explanation:
If you divide 32 out of 40, you will get .8. Multiply that by 100 and you will get 80%. The question asks for the percentage of <em>incorrect</em> ones, so subtract 80 out of 100 and you will get 20%.
She got 20% of the words incorrect.