im pretty sure the answer is 0.7
Answer:
whyu
Step-by-step explanation:
whyu
Answer:
since there are 30 students as a whole and 20 boys make up part of the class, you can assume that there are 10 girls in the class. since the mean mark for boys is 62 I think the mean mark for girls would be 8%
Step-by-step explanation:
Use the PEMDAS method
-solve equation in parentheses
-solve exponents
-solve multiplication
-solve division
-solve addition then subtract