3x+4=28 because 3 times an unknown number was mentioned first and mentioned together so they will be together, increased by 4 is +4 and comes after, the result of is the same as equals so you put the equals sign and whatever number they gave after.
Answer:
a=5your answer right answer right answer
I hope this helps you
10^2=5^2+x^2
100-25= x^2
x= 5 square root of 3
If Sonya already has 140 beads, she needs 60 beads in order to have a total number of 200 beads. You have to find how many bags (that hold 10 beads) are needed to add up to 60.
140 + 10x = 200
10x = 60
x = 6
Sonya needs 6 bags
75% of 60
OF MEANS times
75/100 * 60
180/4
45
the answer is 45