Question 1180379
 257 + 50 + 46 = 353
Percentages:
Groceries: {{{(257/353)*100}}} = 72.8 %
Cell Phone: {{{(50/353)*100}}} = 14.2 %
Entertainment: {{{(46/353)*100}}} = 13 %

IF .11*353 = 38.83 on entertainment (2% less)
{{{46-38.83 = 7.17}}}
⇒ 257+ 7.17 = 264.17 on groceries (74.8% or 2% more)