Answer:
15mm
Step-by-step explanation:
just make the one shape into two and then add the areas after
Answer:
$120
Step-by-step explanation:
80%=$96
1%=80%/80=96/80=1.2
100%=1%×100%=1.2×100=120
Answer:
9
Step-by-step explanation:
10-1=9 thats how you find the range you do the highest number then the lowest number after that you subtract it
Answer:
1/455
Step-by-step explanation:
place 222 over 101010 and divide
If you have to unknown variables, you have to eliminate one, e.g. Like this:
2×(2y-10)+3y=1240. Now there is only one unknown variable
4y-20+3y=1240
7y-20=1240
7y=1260
y=1260/7=180
Now you can calculate x
x=2y-10=2×180-10=360-10=350. ( You can also use the other equation but This one is easier)
