2 is the square root of 4
The rightmost 8 is in the ones place and the 8 to the left of that is in the tens place.
Bananas cost: $0.25
Apples cost: $0.30
4b+5a=2.50
10b+3a=3.40
You multiply the equations by the variables so they can cancel out. For example the first one by 3 and the second by 5 so you have
12b+15a=7.50
50b+15a=17
Subtract them and end up with
-38b=-9.5
solve: b=0.25, substitute b in any equation and get a=0.30
Hope this helped
Answer:
195
Step-by-step explanation:
Of means multiply and is means equals
40% * number = 78
Change to decimal form
.40 * number = 78
divide each side by .40
.40 number/ .40 = 78/ .40
number =195