Question

c) Two-fifths of a number p added to 7 gives 30.

Answer 1

Answer:

p = 57.5

Step-by-step explanation:

we have,

⅖p + 7 = 30

→ ⅖p = 23 (= 30 - 7)

→ p = (23 / ⅖) = 23 × 5/2 = 57.5

We can check if this is true by plugging in p = 57.5 in the expression ⅖p + 7 = 30 and we will find that p is indeed 57.5

Answer 2

Answer:

here the equation is

2/5of P + 7 =30

=>2/5×p=30-7

=>2/5×P=23

=>P=23÷2/5

=>P=23×5/2

∴P=115/2

              or

∴P=57.5

Step-by-step explanation: