Tlong jwb skarang,plisss​

1. 16×a = 40×2

16a = 80

a = 80÷16

a = 5

2. 9×b = 3×15

9b = 45

b = 45÷9

b = 5

3. 25×c = 20×5

25c = 100

c = 100÷25

c = 4

4. 57×d = 18×95

57d = 1710

d = 1710÷57

d = 30

5. 2×e = 130×9

2e = 1170

e = 1170÷2

e = 585

coba dikoreksi ulang yaa