 
<translate> Lyka dole ne ya tara jimillar $160 - $40 = $120 na watanni biyu. Akwai 2 x 4 = makonni 8 a cikin watanni biyu. Saboda haka, Lyka yana bukatar ya ajiye $120 / 8 = $15 a mako. Amsar ita ce 15. <eng> Lyka has to save a total of $160 - $40 = $120 for two months. There are 2 x 4 = 8 weeks in two months. Hence, Lyka needs to save $120 / 8 = $15 per week. So, the answer is 15. 