Buying things at the market

Please can someone correct this sentence to me because I know I have got it terribly wrong D:

两元五十角五根香蕉。两元一个菠萝。

Ps.其实语法没有问题，只是2.5￥写作两元五角。

No grammar mistake, but 2.5￥is两元五角

五根香蕉两块五毛钱, 一个菠萝两块钱。

Buying things at the market

Please can someone correct this sentence to me because I know I have got it terribly wrong D:

五根香蕉两元五角，一个菠萝两元。

Buying things at the market

Please can someone correct this sentence to me because I know I have got it terribly wrong D:

两元五十角五根香蕉。两元一个菠萝。

两块五 五根香蕉，两块一个菠萝。