Question

find the value of x
a) 15% of x =45
b) x% of 90=18
c) x% of 640=352 cm
d)x% of 1200kg =402 kg​

Answer 1

Answer:

a) 300

b)20%

c)55%

d)33.5%

Answer 2

Step-by-step explanation:

a)15/100 × x =45

x=45×100/15

x=300

b)x/100×90=18

x=18×100/90

x=20

c)x/100×640=352

x=352×100/640

x=55

d)x×1200/100=402

x=402×100/1200

x=33.5