4608
no it equals 228
75 + 16 + 25 = 116
90 minus 75 =15 therefore 15 + 75 = 90
The answer is 450. Simply add the numbers together like you would for two plus two. To check your work, a calculator is the best option.
22
190
the commutative property of addition
46 + 29 = 75
63+59+75 = 197
145
49
157