Question about calculating Average in PHP [duplicate]

Question

I am a newbie learning PHP and i am trying to find average of 3 numbers but not getting the correct answer. I don't know where i am going wrong.

function percentage($math,$eng,$sc){ $s = $math+$eng+$sc / 3 ; return $s; } $p = percentage(10,20,30); echo $p;

I am getting the ansewer as 40 whereas i am supposed to get 20. Kindly check if there is any error.

why do you call your function percentage() and not average()? — berend
– berend, Commented Jun 2, 2021 at 7:03
Thank you for your answer. I really appreciate..@zohorov & @Nikita for prompt response. — Expand Bizzness
– Expand Bizzness, Commented Jun 2, 2021 at 7:04

Fran Cerezo · Accepted Answer · 2021-06-02 06:59:44Z

0

Return value is right. Check operators precedence.

If you want 20 as return value code is:

$s = ($math+$eng+$sc) / 3 ;

answered Jun 2, 2021 at 6:59

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Comments

Abolfazl Mohajeri · Accepted Answer · 2021-06-02 07:01:43Z

You forgot to use parentheses:

$s = ($math+$eng+$sc) / 3 ;

All things together:

function percentage($math,$eng,$sc){ $s = ($math+$eng+$sc) / 3 ; return $s; } echo percentage(10,20,30);