Answer:
40 girls
Step-by-step explanation:
50/5=10
10*4=40
40 girls
Answer:
Step-by-step explanation:
12(5+2y)=4y-(6-9y)
Distribute
12*5 +12*2y = 4y - 6 +9y
60 +24y = 4y - 6 +9y
Combine like terms
60+24y =13y -6
Subtract 13 y from each side
60 +24y-13y=13y-13y -6
60+11y = -6
Subtract 60 from each side
60+11y-60 =-6 -60
11y = -66
Divide by 11
11y/11 = -66/11
y =-6
Check
12(5+2(-6))=4(-6)-(6-9(-6) )
12 (5-12) = -24 - (6+54)
12(-7) = -24 -60
-84 = -84
True so the solution is correct
Answer:
5,252
Step-by-step explanation:
Let the number of boys present be b and the number of girls present be g
Now we are told these numbers are equal. This means b = g
Furthermore, if 1313 girls leave, the number of boys remaining would be twice the number of girls.
Mathematically, this can be expressed as follows:
b/(g-1313) = 2
b = 2(g-1313)
b = 2g - 2626
b + 2626 = 2g
We know that b = g from the initial equation, substituting this here yields:
g + 2626 = 2g
g = 2626
Since b = g, b = 2626 also
Total number of students = 2626 + 2626 = 5,252
Answer:
0.0946km²
Step-by-step explanation
Area of the farmland owned = 0.037km²
Area of farm land bought = 9600m²
Convert m² to km²
1m² = 1e-6 km²
9600m² = 0.000001 * 9600
9600m² = 0.0576km²
Total area on km² = 0.037km²+0.0576km²
Total area on km² = 0.0946km²
