-8...........................................................................................
Add the things in the bracket first so
2+2 = 4
then you do the 8 ÷ 2 = 4
then you multiply them together. this is because the number next to the bracket has a hidden multiply sign so
4 x 4 = 16
answer is 16
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Answer: C. 70 percent
Step-by-step explanation:
Given, Time for the first unit = 50 minutes
Time for the second unit = 35 minutes
The unit improvement factor learning curve = (The time for the second unit) ÷ (time for the first unit) x 100.
So, The unit improvement factor learning curve = 35÷ 50 × 100 = 70 percent.
Hence, the correct option is "C. 70 percent".