plz help

[loud tangle]

can someone plz tell me if the answer is 100.8 as mean

[buoyant notch]

plz help

[orchid vapor]

,calc

((90+85)*15/2 + (95+90)*22/2 + (100+105)*18/2 + (105+110)*20/2 + (110+115)*25/2) / (15+22+20+18+20+25)

[loud tangle]

oh

completely off

[forest basin]

The following error occured while calculating:
Error: Syntax error in part "```tex" (char 1)

[loud tangle]

can use mean formula

[orchid vapor]

,calc
((90+85)*15/2 + (95+90)*22/2 + (100+105)*18/2 + (105+110)*20/2 + (110+115)*25/2) / (15+22+20+18+20+25)

[forest basin]

Result:

84.625

[orchid vapor]

Idk any formula

[loud tangle]

then how u find ans

[orchid vapor]

Sum of average values / no of items

I don't do well with formulas

[loud tangle]

okay ill try that

[loud tangle]

same

even me

.close

[buoyant notch]

Solved

Post marked as solved by @bleak notch.

Use .unsolved if this was a mistake.

[loud tangle]

nvm

[loud tangle]

100.8