Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
 Heather anataka kushona mapochi 150 ambayo yatatumiwa kwa programu ya vikundi vya watoto. Tayari ameshona mapochi 13, na leo, ameshona mapochi mara tatu ya jana. Anapaswa kushona mapochi mangapi kesho ikiwa anataka kushona nusu ya idadi iliyobaki ya mapochi yanayohitajika?


### Response:
 Heather anahitaji kushona jumla ya mapochi 150 mapochi - 13 mapochi = <<150-13=137>>137 mapochi.
Heather ameshona mapochi 13 x 3 = <<13*3=39>>39 leo.
Hivyo, bado kuna mapochi 137 mapochi - 39 mapochi = <<137-39=98>>98 ya kushonwa.
Heather anahitaji kushona mapochi 98 mapochi/2 = <<98/2=49>>49 mapochi.