4x+32
4 goes into 4 1 time. (4/4=1)
4 goes into 32 8 times. (32/4=8)
We can factor out 4 from both numbers.
4(1x+8)
aka 4(x+8)
4x+3x=7x
18 girls-5%
Total no: of girlsx5/100=18
Total-100x18/5-360 girls
4x+3607x
360-7x-4x
360-3x
x=360/3-120
4x=4x120=480
3x=3x120=360
Total no: of students=480+360-840
Answer:
Step-by-step explanation:
Expand brackets.
Subtract both sides by 4.
Subtract 3x on both sides.
Divide both sides by 5.
Answer: x-4 ≥12
Step-by-step explanation:
Hi, to answer this question we have to know what an inequality and a variable are:
Inequality: An inequality is a expression that compares two values, showing if one is less than, greater than, or simply not equal to another value.
Variable: is a symbol for a number that is unknown: they usually are letters (x;y).
An inequality that contains at least one variable could be:
x-4 ≥12
Answer:
Find my Answer attached.
Step-by-step explanation:
