I think 64.29 bc 90 percent of 500 is 450 so i did 450 percent of 700
Answer:
Step-by-step explanation:
ax + by = c
ax= c-by <------- Subtract by "by"
x= c-by/a <------ divide by a
20 and 10 are the numbers that multiply by each other to make 200
<span>-28ab-35ab+12b^2-42b^2
add similar element=-</span>28ab-35ab=-63ab
so that..
=-63ab+12b^2-42b^2
add similar element=12b^2-42b^2=-30b^2
=-63ab-30b^2
Complete question :
Mikel creates the table below to help her determine 40% of 70. She writes the expression Which change in Mikel’s expression will lead her to the correct answer?
Corresponding chart for the problem is attached below.
Answer:
The 0.2 in the expression could be changed to 2.
Step-by-step explanation:
40% of 70
Directly working this out, we obtain :
0.4 * 70 = 28
From the table :
To obtain same from the columns, 0.2 is adjusted to 2.
Hence, 2 * 14 = 28