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nadya68 [22]
3 years ago
8

(a) 85% of 80 is what number? (b) 21 is 35% of what?

Mathematics
2 answers:
Andreas93 [3]3 years ago
6 0

Answer:

a) 68

b)60

Step-by-step explanation:

a) 85% = 0.85

0.85 * 80 = 68

b) let x be the unknown number.

35% = 0.35

0.35x = 21

x = 60

Alex3 years ago
4 0

Answer:

Step-by-step explanation:

a, 85% of 80

85% of 80

= 85/100*80

=85/100*80

=0.85*80

=68.

b, 21 is 35%

21 is 35%

=21*35/100

=21*0.35

=7.35.

hope this helps you dear and have a nice day

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