The mean score of 5 students for math is 405. the score of 3 students is 78,82, 85. the rest two students had the same score. what is the score of these two students?

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Girardo is using the model below to solve the equation . girardo uses the following steps: step 1 add 4 negative x-tiles to both sides step 2 add 1 negative unit tile to both sides step 3 the solution is which step could be adjusted so that gerardo's final step results in a positive x-value? in step 1, he should have added 4 positive x-tiles to both sides. in step 1, he should have added 3 negative x-tiles to both sides. in step 2, he should have added 4 negative unit tiles to both sides. in step 2, he should have added 1 positive unit tile to both sides.

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2