279 butterflies if I’m correct. 236+128=364 and 364-85 is 279.
40% of 80...turn percent to decimal..." of " means multiply
0.40(80) = 32 <== this would be ur savings
and the shoes would end up costing u 80 - 32 = 48
390/6=65
65x10+650
650 is your answer
hope this helps
Answer:
The mean of the combined group is 76.67 ≈ 77
Step-by-step explanation:
- The sum of the grades in Tom's group is 20×70 = 1400
- The sum of grades in Alice's group is 10×90=900
- The sum of gradees in the combined group is =1400+900=2300
- Then the mean grade of the combined group is
where
- 2300 is the sum of the all grades in the combined group
- 30 is the total number of people in the group
I believe the answer would be C (: