20. × 20
4. × 1
you also multiply 20×1 and 20×4 twice science both numbers are 20
A ration is basically a fraction. It can be written different ways i.e. 2/3 or 2:3. They are both the same thing. There are 5 girls out of 39 students... ratio= 5/39 or 5:39
Answer:
-10
Step-by-step explanation:
5(a–b)
Let a = -4 and b = -2
5(-4 - -2)
5(-4+2)
5(-2)
-10
Well the expression describes +7. hope that helped