1) 90-27= 63
2)90divide by 3= 30
3)90-40=50
50 divide by 2=25
4)d and f= 57
e=82
5) 74+53=127
180-127=54
6) i=90-64
=26
h=90 (straight line)
Answer:
15 boys
Step-by-step explanation:
The ratio is 5 : 12
The 12 part of the ratio relates to the students in the class, that is 36
Divide 36 by 12 to find the value of one part of the ratio
36 ÷ 12 = 3 ← value of 1 part of the ratio, thus
5 × 3 = 15 ← number of boys in class
Answer:
So I'm not completely sure what the x is standing for in this. Is it standing at a multiplication sign like -14 TIMES 2? Or is it -14x TIMES 2?
Step-by-step explanation:
-5 = a/18
multiply by 18 on each side
-5 * 18 = a/18 * 18
-90 = a
Answer: a = -90